You can also add a PDF document as a hyperlink and embed it in your Excel workbook. This method is helpful when you just want to give a reference to a particular PDF document.

Excel Add-Ins are applications written by independent programmers that provide enhanced capabilities for the primary software. Here's how to install, manage, and choose the best Add-Ins available.

FileMaker now is shipping an upgrade to its eponymous database that offers extensive integration with PDF files and Excel.