Hey @Kalicola are you still looking for an answer?
You’ll need to add a “Montage Notify” within your montage.
Then, using the “Play Montage” node within your blueprint (see below) off of the “On Notify Begin” give the player control again
Also, you’ll need to make sure that “Use Root Motion” (in the Asset Details of the Montage) is off.
Otherwise, that will override the movement.