To access Grant access to an environment or Grant access to a function, a user needs to be member of one or more roles. A user can access the highest access level either of the roles grants. I.e. if a user is member of the roles "User" and "Editor". The "User" role has read access to the environment "Production", while the "Editor" role has write and read access. The user will get the highest access level and gets read and write access to the environment. A company admin has default full access to the company and cannot be member of any roles.
User roles is mapped from the "Users" page. It can be accessed by clicking "Users" from the dashboard,
Click "Map Roles"
Select the roles the user should be member of. Click "Save"