Do people seeing this issue have a similar issue with Paramount+?
In my experience, similar to the Apple TV app, US content and movies are shown at the wrong frame rate on the Virgin Media app [independent of the match frame rate setting] and may well exhibit similar behaviour if the issue is frame rate related.
The wrong frame rate affects all Apple content I've seen, including Slow Horses which is 24 fps on an Apple TV box, but 50fps on the Stream box [and I assume that the 360 is similar given the same software base]. To me the incorrect frame rate gives judder on the picture but not the sound, but it may be some systems exhibit judder from that mismatch on the sound as well.
The recent Dexter series is one worth checking on the Virgin Media Paramount+ app as an obvious mismatch.
This may not be the answer, but it could well help point to whether the underlying issue is frame rate related or not.