Roll out crescent roll sheets. If using rolls, pinch two triangles together to make four smaller sheets.
Spoon out a small amount of pizza sauce onto the crescent dough. Top with a small amount of mozzarella, pepperoni, chopped green peppers, olives, and diced mushrooms.
Roll as tight as possible and pinch joining ends together.
Cut into 1/2" slices and place on a cookie sheet lined with a silicone baking mat Stuff pinwheels with more toppings, if desired.