Set up grill for direct cooking over medium-high heat. Oil grate when ready to start cooking.
Brush chicken with vegetable oil, season with salt and pepper.
Place chicken on the grill and cook until done, about 2 minutes per side. When done, slice into 1-inch pieces, reserve.
Spray a perforated disposable cookie sheet with nonstick cooking spray. Carefully remove pizza dough from can. Unroll dough and place on cookie sheet on the grill.
Let cook 2 minutes and turn pizza over.
Spread BBQ sauce over pizza leaving a 1-inch border. Next, top with mozzarella cheese, diced apples, chicken, and bacon pieces.
Cover with grill lid and cook 5 minutes until cheese is melted and bubbly.