Not all configuration tabs are working

Hi, purchased this a few weeks ago and just started to work with it. I notice that the last 3 tabs under configuration are not accessible.


Also, I get message that " You are not allowed to perform this action". All my categories and documents are showing public access.

Please let me know what I am doing wrong?

Running Joomla 2.5.11
Edoc 1.5.2

Thanks

That's really strange. Could you please submit a support ticket sending us administrator and FTP account of your site so that I can check and solve the issue for you on your site.

None of our customers had issue like this before.

Tuan