Understand customer permission
The customer permission is the predefined permission available in Zoho Creator. This permission helpful when choosing the permission for the customer of the organization. Customer implies an individual who is not a part of the admin's organization but instead maintains a working relationship with the organization. For eg: Supplier, vendors of a manufacturing enterprise. The user who has been assigned this permission will be given access to view all the components(forms,pages ,and reports) in the customer portal. But the user will not be able to edit reports.