A brokerage or agent disclosure is just that, a disclosure only and not agreement.
When picking out a company, always find a service that is correctly licensed from your state. Use an auto responder to send out out texts. https://www.Digitaljournal.com/pr/news/press-advantage/central-phoenix-real-estate-brokerage-firm-axis-real-estate-invites-property-buyers-sellers-and-tenants-to-browse-its-listings