You can insert a PDF into a PowerPoint either as an object, and then set it so it opens when you click it.

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.

If you are a Windows 11/10 user and have some PDF file(s) with missing page numbers, then the tools covered in this post will be helpful to you. You can easily add page numbers to your PDF document ...