I'm new to ManyChat and I'd really like it if you could help me please. My question is focused on the following: I'm a lawyer who wants the AI to automatically respond to messages to filter clients' basic questions. However, I also have an assistant, and the idea is for her to be able to use ManyChat. I'm going to pay for the Pro + AI. Should I also pay for her as a user, or is she already on my team because she's in my account? Thanks.