To create a new role navigate your account area and click on ‘Manage Team’. On the ‘Manage Team’ page select the ‘roles and permissions’ tab and click ‘add new role’.
Firstly give the new role a name, for example ‘purchasing team’. Once you have done this scroll down and you will see a list of permissions simply select any permissions you will like a user within this role to have access to. Once you have done this click save.