Quickly Restrict Adobe PDF Document with Restrict PDF Software. The software has easy graphical interface instruction that provides user very friendly environment. The Software Restrict Adobe PDF Documents through owner password protection and user password protection. Software?s User Password protection can restrict PDF file from opening, in the absence of user password user wouldn?t be able to open PDF file and in absence of permission password user wouldn?t be able to copy, print, edit, etc on PDF document. The Software supports PDF file of Adobe Acrobat version up to 9. The Software is practicable with all Windows version (Windows 98, 97, 7, 2003, ME, Vista, NT, etc). You can buy software at $25 or if want to try software?s demo version then download the demo version of software for free.