Heat oven to 425°F. Spray cookie sheet with cooking spray; sprinkle with cornmeal. Unroll dough on cookie sheet; starting at center, press out dough into 14x12-inch rectangle. Brush dough with oil; bake 7 minutes.
Top each quarter of the crust with 1 of the 4 topping variations listed above, making 4 different pizzas. Bake 10 to 13 minutes longer or until crust is deep golden brown and cheese is melted and bubbly. To serve, cut pizza into 4 rows by 4 rows, making 16 pieces.