It depends.
You don't want to do the starfish thing.
But landing wide, or wider, with your knees OUT is acceptable on maximum power cleans.
Some coaches say 1/4 squat, or above paralell, or knee angle <135 degrees.
An example of a bad "sumo clean":
An example of a wide/low catch...but knee, hip, ankle are all is a good spot....like a good squat or sumo, knee is over ankle, stable. @ 7:01