Pixiq

OR – You can do this using the Acrobat controls IF you have a Pro version of Acrobat.

1) Open the PDF file in Acrobat Pro.2) Go to Document Properties3) Switch to the “Security” tab4) Select from the “Security Method” drop down – “Password Security”5) New Screen comes up – Go to the permissions area and turn ON “Restrict Editing and Printing of this document….”6) From the “Printing Allowed” drop down you can select what a user who opens the PDF can do:- No Printing the file- Print in Low-Res (150 dpi)- Print in High-Res

That’s a big IF.No additional purchase required with my method.All the same it would be better to have built in security in the PDF export!