Some users may experience that their default PDF viewer changes to Microsoft Edge after updating Windows.  Below will guide you through the process of changing the default PDF application back to Bluebeam/Adobe.

Find a PDF either on your computer or a network drive > right click the PDF > choose Open With > Select "Choose another app"

In the new window that loads > choose the default PDF viewer you'd like to set (Bluebeam/Adobe) > check the box to "Always use this app to open .pdf files" and click OK