You can easily add page numbers to your PDF document which will help you know which content is available on exactly which page on a particular PDF file.

You can delete pages from a PDF on a Mac using the Preview app. You can also add pages to a PDF in two ways with Preview.

Different formats can also make managing several documents cumbersome. Combining these documents into a single PDF file may be helpful for personal or professional use, to deliver simplified, ...

You can convert Pages to PDF on a Mac using the default exporting method to make sharing with non-Mac users much easier, for instance.

Pick Save as PDF to choose a filename and destination, and you can even add password protection to the document if you want to. There's PDF functionality built right into Finder as well.