Dragonframe 4.2.2: YES
Dragonframe 3.7.3: NO
Dragon Stop Motion 2.3.8: NO
(Dragonframe was previously called Dragon Stop Motion)
The Sony Alpha A7R IV provides a live view via its USB connection. The live view size is 1024 x 680.
Dragonframe controls the Sony Alpha A7R IV ISO, shutter speed, aperture (with digital lens), image quality, and size.