Now, if you jumped while still dribbling, secure the ball while in the air, and then come down simultaneously on two feet, then you can still pivot and you can choose either foot to do so.

But, if you secure the ball, jump off a foot and then land on 2 (again, supposed to be simultaneously otherwise it is already a walk); if you do that, you have exhausted all your steps and you get no pivot. This is what Sabonis did, only he pivoted after stopping, which is a clear traveling violation.