How to disable Save and Copy buttons for a PDF document? I don't want others to copy or save something from my PDF document.

You need to use a PDF program with that capability. What do you use to create PDFs? Does it have these controls?

I use PrimoPDF, which is free, and includes a full range of security settings you can determine at the time you print your PDF.

Here's a snapshot of the security settings for PrimoPDF during a print job.