Some of the links on this forum allow SMF, at no cost to you, to earn a small commission when you click through and make a purchase. Let me know if you have any questions about this.
Should be able to since the steaks likely come from roast cuts anyhow.
The only issue you may run into is that the steaks may be thin already so you may not be able to slice them into sandwich meat unless you stack them all together.
Also you will have a lot of seasoning on the outside unless you rinse it all off before smoking and then slicing.