Viewing, searching, and saving PDFs
Quickstart: Search PDFs in a package
You can search all PDFs in an Adobe PDF package or only selected PDFs.
Open the package you want to search.
Type search terms in the Find text box, and choose Open Full Reader Search from the Find pop-up menu.
Choose In The Entire PDF Package. Or choose In Selected PDF Documents, and then select the desired PDFs from the list of PDFs included in the package.