As I understand Gravity forms is capable of creating posts by users. So users enter a title and description and it can be posted as a blog post. This can act as a form, so the action of filling out the form is the user "posting" and when they click "submit", Twilio sends an SMS to Admins. When is great.
This is the question: Because what the user can be posted as a blog post, can the Admin reply to the Twilio SMS and the "Admin Reply" will be posted as a comment? Is this possible, I mean of course it is with coding. But is it difficult to implement and is there a coder that you would recommend that can do this?