I've been debugging this issue for over two weeks and I cannot solve this issue. Besides the admin user and qa visitors, other user roles cannot see the three buttons or post/submit questions. There seem to be a role issue. I am working on a multisite install of the latest wordpress version. I have tried to deactivate all plugins and change themes and the issue is still not solved.
I think it is important to note that I have buddypress network enabled and I have a feeling that when a visitor register via the register link, they are not assigned a default role.
One last detail to mention: when I go to the admin panel for the main site and manually add a user (skipping email confirmation), the user is visible in the user list and could post/edit/view question.