How to Add Comments to a PDF With Acrobat Reader. PDF files enable you to share and comment on content created in a wide range of applications. Adobe Reader, formerly called Acrobat Reader, offers ...

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

In other words, Adobe Reader won't let you add text. What you need is a program that's a little more accommodating, PDF-wise. Try Foxit Reader 4.3, which allows you to add text to any PDF.

Can a free PDF editor meet your needs? Find out which of Adobe's PDF editing tools is the perfect version for you.

Adobe Acrobat Pro’s optical character recognition feature converts scanned documents into editable PDFs. Just click on the Edit PDF tool to create a fully editable copy with searchable text.