PDF files can be Restrict with two possible ways one is user password and other one is owner password. The Software offers both user and owner password restrictions. The Software Restrict PDF Printing by permission but user can restrict adobe printing by user password, user password does not allows user to open PDF file without user Password key. The Software has both User and Permission password facility. The Software supports PDF document of Adobe version upto 9. Software works independently so that Installation of Adobe Acrobat reader is unnecessary. The software runs on Windows OS ? Windows 2000, 2003, 98, XP, Vista, 97, etc. Buy software at $25 to Restrict PDF Printing option.