During screen sharing, while on a VSee call, the other person can take control of your shared screen.
On the shared screen, click Take Remote Control at the upper center of the shared window.
Click Take Remote Control again to release your control
On the shared screen, click Take Control at the upper right window of the shared window.
Disallow or Disable Remote Control
Click Disallow Remote
Click on the green "V" icon, select Disallow Remote Control