This comment came up recently on AcrobatUsers.com.
I am a scientist who uses (or would like to) PDFs of journal papers. The problem is that some journals lock their PDFs so folks can not copy or change them (fair enough). The problem with locked PDFs is that you can not highlight important sections or add notes. For those of us without a photographic memory of everything we have read – these are really great tools.
My question then, is Adode considering developing a security level that would lock a PDF for copying/changing, but would allow for highlighting and note taking?
The good news is that it’s easy to allow recipients of your document to comment, but not copy or change a PDF document in Acrobat (not the free Reader). The bad news is that the original creator of the file needs to set this because you cannot change the security, unless you’re given the password of course.
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