Disable video sharing by defaullt

Hello, I want to buy a jetpack premium for the self-hosting video feature.
I have an eLearning website and instructors will upload their videos from the front end of the site. I want to make sure that the videos will go to the jetpack host not my server or host provider and the most important thing I want to make sure that videos which instructors will upload from the front end will not have the share button.

Regards.