"Save a Copy" is Adobe Reader.
It is not associated with Acrobat Professional's "File" drop-down.
For Acrobat Pro 9; a link to a free downloadable 13 x 19 poster in PDF format (for Windows and Mac) is at:
I'm sorry but that is completely false. Depending on the security settings on the PDF in question, you will have a "Save a Copy" option on the file menu. This operates completely differently from "Save As".
See screen shot below. Note the application name in the title bar. I am NOT using Adobe Reader.