Hi
Do a search for specific programs. Depending on the watermark...size; density; position etc. it might be possible to disguise it in VP.
As a simple example here is a clip with a watermark top right...
You could try this....
Click FX and add a Polygon mask close around the watermark.....
Check "Mask inside" is ticked.
Click the Green + and add a Blur effect. This will blur the masked area making the watermark much less conspicuous......
OK...It's not PURRfect but in this case it is reasonably effective. A lot depends on the actual watermark.
Nat