There are a lot of PDF files can not be printed or converted, that means those PDF files have been protected. PDF Password Remover is a shareware tool to remove PDF restriction from protected PDF files on Windows and Mac OS X.
Website: http://www.pdfpasswordremover.com
Download Win: PDF_Password_Remover-7.5.0.exe
Download Mac: pdfpasswordremover-2.0-2.2-giveaway.dmg
Licence Key WIN: CVOIBNR9U4INFD
License Key MAC: PPRMAC890507720123SWO8
Download WIN: ppr15.exe
Download MAC: pdfpasswordremover15.dmg
Licence Key for WIN ‗‗‗♦‗‗‗ not Work
did you install PDF_Password_Remover-7.5.0.exe or the one from their website?
Licence Key WIN: FLA885301308601237
License Key MAC: PPRMAC873416580123XYZ8