Certain PDF documents prevent the user from copying and pasting or printing its contents. Not that you have any bad intention, say you need to quote a few paragraph as reference for your report with credit given, it would a waste of time typing everything over again.
The following page contains a free online utility that allows you to upload a locked Adobe PDF files, once uploaded; a version of the PDF without printing or copying/pasting restrictions is displayed in a new browser window. Proceed to print. Visit Free PDF Unlock Online Utility. Note: The webpage is sort of spammy with lots of ads, search for the upload button and check the term and condition box. What the online application does it:
- It unlock all security features of the PDF
- Makes the PDF printable
- Removes forgotten password you set many years ago
- Enable copy (Right click)
Alternatively, you might find these articles useful:
- How to Extract jpeg from a PDF file very useful.
- 3 Ways to Set Up a Virtual Adobe PDF Printer Driver for Free
- 20 Free Software To Edit and Convert PDF without Adobe Acrobat