Preheat the grill to medium-high heat.
Place the sausage on the grill and cook for 10 minutes, flipping occasionally.
Meanwhile, roll out the pizza dough on a lightly floured surface.
Brush the dough with olive oil, and then sprinkle with garlic powder, onion powder, Italian seasoning, salt, and pepper.
Place the pizza dough on the preheated grill and cook for 5 minutes.
Flip the pizza dough and sprinkle with mozzarella cheese.
Top with cooked sausage and cook for an additional 5 minutes.
Meanwhile, make the Avocado-Tomato Salsa: In a medium bowl, combine the diced avocado, tomato, red onion, garlic, cilantro, lime juice, salt, and pepper
Remove the pizza from the grill and top with Avocado-Tomato Salsa.