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 ...

A PDF file is one of the most widely used document types. It can be shared across multiple platforms, compressed into a smaller size easily, and cannot be edited without leaving a digital footprint.

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.