With Adobe Pro DC I am able to attach a JPG to my Digital ID when creating a custom appearance. On a machine with Adobe Reader DC, i only have the option to attach a PDF, not a jpg.

What I mean by dont have the ability is that when I click to browse for a picture, the one and only file type/format in the Windows Explorer popup is PDF.

What am I missing - is the ability to create a custom appearance for a digital ID a Pro featy