What they said.
Except Vader would be stupendously lucky to catch a Librarian on their own.
Vader could probably use the force to arrest the flight of Bolt Rounds. But, we can reasonably assume that using The Force to arrest flight involves some kind of replication of mass.
if that’s right, and Vader’s first experience involves him showboating his force control to stop the rounds at the last moment?
Enjoy the shrapnel. In your exposed chest plate