This site will release printing / copying restrictions from pdfs so you can copy and paste to your hearts delight ! Simply Upload, wait and download a new, unrestricted .pdf

http://www.pdfunlock.com/

pdf unlocker is freeware that works well too, just google it. You just drop a pdf on top of the desktop icon and it makes any pdf unlocked in about 3 seconds.

http://www.pdf-unlocker.com/