Musiala is a #10 and Sancho is a winger so i should hope not
as for the other two, it would be hard to find two world class strikers who have the exact same skillset.. What i see from Kane, he is very good at receiving the ball and maintaining control under high pressure, he is a good passer and of course he is a clinical finisher.
A player that is a permanent danger in the box is exactly what Bayern was lacking since Lewa left in my opinion. It will make life more complex for the defense,, he can be targetted with high passes, he will open up space for the other offensive players, which will create opportunities. Bayern was way more dangerous and scoring a lot more when Choupo was in form last fall filling that role, and i think everyone agrees Kane has higher quality than him. . Thats just football 101. Bayern never had much truble getting close to the box, not even against city, but most attacks faded away because in lack of a target man, Sane, Coman or Musiala only had the option to short pass or dribble.
As for the details in difference of playstyle, i trust Tuchel to find the tiny adjustment screws to make the tactics most effective for him and the team.