With normal PDFs, you are limited to the options presented to you in the properties dialogue box (which I trust you have discovered ??).... you can prevent copying and editing in there*.
What you probably want is a more specialist "DRM" solution such as LockLizard (
LockLizard.com)
However one word to bear in mind when evaluating any potential solution.....
screenshot ..... don't underestimate it's power. .....
*=subject to technical limitations as to their efficiency
(No, I have no association with LockLizard, just happens to be a name I've heard before in certain circles).