A Photo Gallery Widget displays all of the photos from a single album on your webpage. This is ideal if you want to showcase the contents of one specific album in a gallery format.
An Album Gallery Widget displays all of the photo albums you have uploaded to the platform on your webpage. This widget is useful if you want visitors to browse through multiple albums and select the one they are interested in viewing.
When a user clicks on a photo album within the Album Gallery Widget, they will see all of the photos inside that album displayed as a gallery.
In summary, use the Photo Gallery Widget to highlight all photos from a single album, and use the Album Gallery Widget to showcase and organize multiple albums for your audience to explore.