There is a premium plugin from wpmudev.org called Comments Plus for, I think, $17 that does include support. I’m not sure if it will add the user to WordPress but with support included they might help suss out a solution for you.
There is a premium plugin from wpmudev.org called Comments Plus for, I think, $17 that does include support. I’m not sure if it will add the user to WordPress but with support included they might help suss out a solution for you.