AI-Powered Social Media Marketing Software

hi im starting a new ai Saas software company and need your help in developing the software behind it.Just a basic outline the softwar it would be a full ai marketing app for a business where it runs there campaigns and adds spend automatically using ai , can create posts for the business, makes there descriptions for the posts , best hashtags, post ideas a all in one software for the buyers to market there business. Thanks for your help
Bradley,