Pogba's great when he's used as an attacking player, who also happens to be physical and able to tackle. Personally I think he's at his best when he has a defensive man behind him to do the bulk of the holding work and a solid passer/tackler beside him like Marchisio to be the distributor and the guy holding his position in midfield. He would have been horrifyingly good at Madrid if they were willing to a 4-3-3 with him at the tip, Kroos/Modric beside and Kante/Casemiro for example.
This bizarre pivot with Matuidi, where he can't make as many runs off the ball and he is expected to be the main distributor, is a really bad way of using him.