This article show three methods that can be used to add audio comments to PDF documents in Adobe Acrobat free and Pro version.

Need to edit a PDF document but don’t want to pay for the more expensive Adobe editors? You can add text to and sign a PDF with just the free Reader program.

With Adobe Acrobat Reader and Adobe’s online PDF editor, you can add comments, fill out forms, insert text, and even sign documents – all for free.

The PDF reader or viewer within Google Chrome has always been relatively simple, especially when compared to Microsoft Edge. With Chrome 87, Google has introduced a new UI for the PDF reader and ...