Installed Modules not in Admin Section

I am trying to assign permission to a specific user to access a module on my site. (I have created a content type for it too so those specific users can create their own content.) I have installed it in the correct modules folder of my drupal site. I know it exists on the site because as an admin user myself, I can create its content, by going into the 'create content' link.

However when I go into the Persmisions section, the module does not appear. Nor does it appear in the modules area, therefore I cant select it for the enable option.

Anyone else have the same prob?