If you have subscribed to Wareo, you will not be able to see the sections, locations and bins in your warehouse through your SelluSeller account. You will have to manage these only through Wareo.
However, if you have not subscribed to Wareo and are still facing this issue, you can:
Contact your Account Manager
Fire up the live chat support feature
Reach out to us at help@SelluSeller.com
Hope this answers your question.