No Great Value creamy peanut butter does not contain any xylitol.
Peanut butter that does contain xylitol is not safe for dogs to eat but if the peanut butter does not contain xylitol which is a natural sweetener then it's safe for dogs.
Great Value Peanut Butter does not contain that xylitol but other peanut butter brands that do contain xylitol are Go Nuts, Co., Krush Nutrition, Nuts 'N More and P28 Foods.