Google considers reviews when ranking local results
Google ranks local results on relevance, distance and prominence. Reviews feed prominence. Google puts it plainly in its own guidance for business owners: more reviews and positive ratings can help your local ranking.
Google Business Profile Help, "Tips to improve your local ranking on Google" · Google’s own guidance for business owners
What Savorias does about it
Every review is picked up and analyzed daily, so you see what is building before it settles into your rating.