In a large bowl, toss sweet potatoes with oil and spices. Season with salt and pepper.
Working in batches, spread an even layer of sweet potato fries in fryer basket. Cook at 375° for 5 to 8 minutes, flip fries, then cook 5 to 8 minutes more.
Meanwhile, make dipping sauce: In a medium bowl, whisk to combine mayonnaise, barbecue sauce, and hot sauce.