Hi, I'm very sorry about that very common issue but I d'ont understand why comment form doesn't display.
ACL seems to be as it should be...
Regards
Hello Ynover,
Is it possible for you to provide us with the back end and FTP access to your site to check on this issue? You may store your site access at http://stackideas.com/dashboard/site so you don't have to provide these information all the time