is pdf viewer safe
From CopySafe PDF is the most secure solution for distributing copy protected PDF files and the only solution that can protect PDFs from all avenues of copy including Printscreen and screen capture. Many PDF viewers are available including Adobe PDF that offer protection but only for print, password and expiration. CopySafe PDF is the only viewer that is secure from ALL saving and copy with options for print, password and expiry protection. read more +.