VTT ease of use / QoL suggestions

As a DM, I would really appreciate being able to pull encounters, character sheets and monster stat blocks out into a pop-out floating window that I could also resize as needed.  That column on the left is ok but one size does not truly fit all..

It would also be very handy as DM to have more control over what players are allowed to interact with. - For example, I currently have one very disruptive (bored, young) player who loves to just randomly teleport his token all over the map, change border colors on his and other players tokens, etc.. - Disabling every option for players in the settings does not appear to restrict their ability to be disruptive.  (And yes, it'll be handled another way very soon if it continues but still, when it starts happening unexpectedly in the middle of a session, having effective controls that don't stop game play for everyone would be a wonderful feature.)