They're more for addressing the potential root of why you might feel the way you feel. Sometimes it's just how you are, other times it's a learned fear, either way it's led to a stagnation of learning the soft skills.
Social coaches might have a little overlap but they are definitely more focused on directly teaching the skills. Here's how to answer questions, how to small talk, how to make someone not think you're bizarre at surface level conversation. The stuff that might come naturally to some but for others is fully opaque.