Adobe Reader is used to open .pdf extension file formats. Adobe Readers are available for computers, mobiles and tablets. In computer the user can create, edit and reduce size of pdf files. Adobe Reader in Mobiles allows to view the PDF files. Now a days, Smart phones are comes with pre-installed adobe reader to view PDF files.

Abode Reader for mobile has separate tools to add comments, highlight, strikethrough, underline etc. The user can protect the files by creating a password to maintain file privacy. Adobe Reader allows users to create their own Signature in PDF files; this signature can be tracked by Adobe EchoSign online service.