Yes, professional pressure washing can help to remove sour smells from dumpster pads. Pressure washing can help to eliminate built-up dirt and debris that can cause foul odors. Additionally, professional pressure washers are equipped with the right detergents to help remove odors and leave behind a fresh, clean scent. Pressure washing can also help to remove any food or other organic matter that may be causing the bad smell, ensuring that the area is odor-free.