If you are unable to edit PDF files on Acrobat Reader DC, the following methods can help you fix it. This is an error caused by confusion between two kinds of ...

With Adobe Acrobat, you can create and edit PDF files. Adobe only distributes Acrobat as paid software, but anyone with the free Adobe Reader program can display the PDFs created in Acrobat. With ...

If you want to allow commenting on a PDF file, you must be the author of the file or have access to the Adobe Acrobat program that was used to construct it. Even if you use the most recent version of ...

A worm that infects Portable Document Format (PDF) files used by San Jose-based Adobe Systems Inc.’s Acrobat software was identified Tuesday, according to two security organizations. The worm appeared ...

This well-designed and easy-to-use free PDF viewer lets you mark up and create PDFs. Adobe’s popular PDF format makes files look great and Adobe’s free Reader lets everyone look at the files for free.