You must have the Client Portal Settings permission to view/edit this section.
See https://cxtsoftware.atlassian.net/wiki/spaces/CXTsupport/pages/2563768337 for more information.
The Clent Portal Settings section consists of pages that allow you to customize parts of the Client Portal.
See https://cxtsoftware.atlassian.net/wiki/spaces/CXTsupport/pages/3253043241.
See https://cxtsoftware.atlassian.net/wiki/spaces/CXTsupport/pages/2730721296