He's like Metcalf in that he's a big freak athlete who is going to be limited in his usage and much of his value is projection. Metcalf wasn't a fluid wideout who can run a full route tree, Sadiq in the same sense won't be able to carry an offensive throughput over the middle as a chain mover. He'll be the same type of player, where you hope for the big play while other players move the chains.
Stowers will quickly settle in for the lucky team who drafts him and become a key chain mover who can also stretch the field. Five years from now he'll be a big name in the league. Sadiq I am not so sure about. Quite risky I think, unless you want to use him as a backfield piece and maybe in a FB type role but would he be all in on that.