Create Wordpress User Permissions (roles & access) for Wordpress Site

I am looking for someone to create the following user roles and user permissions for a wordpress site. The 2 user roles that need created are: Admin and Product Manager Those roles need to have to following access: Admin - Create - Product lines - Category - Sub Cat - Add doc to Cat - Add doc to Sub Cat Product Manager - Create - create a sub cat - add doc to category - add doc to sub cat View Roles - Internal (view all - default) - Rep - Public (most restricted) For viewing, everything should default to Internal and will be publicized only as needed.