Finished this one, it's a likeness study of Corey Taylor the singer of Stone Sour and SLipknot. More pictures and video at :https://www.artstation.com/artwork/kDvJQd
Max handles polygon specific material settings via MultiSub materials. Faces on the other hand can have material ID's (look in the editPoly or editMesh inspector for that). Those ID's are linked and make out the different materials per polygon. If you select faces in max and drag a material or texture to that face…