How to Add Comments to PDF Documents

We all know that the PDF format is one of the most utilized file formats these days since it can display images, graphs, and tables better. There are some instances where you need to insert some notes into a certain portion of a PDF, or add some marks to point out something significant. However, a standard PDF viewer does not provide a function that allows users to add comments to PDF instantly. Good thing there are some PDF applications that come in handy, which you can use to insert some notes and suggestion in a PDF document. Learn more about these awesome PDF tools in this post.

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Add Comment to PDF

Professional Programs to Add Comments to PDF


The first application that you can use to insert a mark or to point out something in a PDF document is called ApowerPDF. This is an easy to use application that provides its users with both PDF viewing capabilities, along with some beneficial functions to manage and edit PDF pages, add protection, and insert your own signature and a convert function as well. Plus, it also has a comment feature that allows users to easily add comments into any PDF files. In this section, you can add some side notes, highlight some words or phrases, or add some drawing markups. It is indeed a compact program that is worth using. Here’s how to add comments to PDF file using this tool.

  1. Get and install this program by clicking the download button below.


  2. After that, open the program and load the PDF file that you need to process. You can do this by dragging the file directly into the area provided, or click “Open Files” and look for a certain PDF document and simply open it. ApowerPDF Home
  3. When the file is loaded completely, you can start reading your PDF and to add a comment, just hit the “Comment” function located at the upper portion of the app.
  4. A set of functions will then be shown on the right portion of the interface. From here you can start to add highlights, underline text, strike-through text, add notes, comment box, and draw some shapes as well. Comment in ApowerPDF
  5. To keep the changes made, go to “File” and then click “Save”.

Adobe Acrobat DC

Another program that you can use to insert comment in PDF is Adobe Acrobat DC. This program is an improved version of a pioneer PDF program which is Adobe Acrobat. By using this tool, you will be able to add sticky notes, highlight text, strike-through text, and replace text with a note. Plus you can also insert text at the cursor, and you can draw different shapes as well. Furthermore, this PDF tool still has additional functions included in its arsenal. Upon deciding to use this tool, you will also be able to edit PDF, fill and add a signature, add certificates and combine files. It also provides PDF protection via data encryption, and it can be used to organize PDF documents as well. To add comments with this tool, here are some guided steps.

  1. Get and install this program from its main page.
  2. After that, open the program and load a PDF file from your computer or open a cloud file.
  3. Once the file is loaded completely, you will immediately notice the various functions that this program offers on the right side of the interface.
  4. Look for the “Comment” function and click it. A set of tools will now appear on the top part of your screen. You can now start adding comments into your chosen PDF page via this annotating and draw tools.
  5. And when you’re done, simply click “File” and then “Save”.
    Add comments using Acrobat DC

Those are the practical ways to make comments on PDF that you can use. Now you can key-in every thought that you had on certain PDF contents without experiencing any hassles. Their functions are almost identical and both of them are remarkable applications to use, and it’s up to you which one to pick.

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Posted by:Elise Channing on toPDF Editor Topics. Last updated on March 11, 2020

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I bet you will like it!