Under the section "My account", you find the category "My Cortex users". Here, you can add others who you want to give access to your personal web space to. You can add them by pressing on the button "Create".
Next, you can choose the products to which your representatives will have access. You can also limit their access. For example, you can give them only the possibility to confirm orders, but not to pass them.
In the category "My Cortex users", you can also change the possibilities your representatives have and even shut down their acces to your personal web space.