Forms are selectable in Classic Reports despite not being allowed by the user's permission roles.
SuccessFactors BizX Classic Reports
Permissioning for Classic Reports is applied to the data and not the configuration.
Do not be concerned with security as selecting restricted forms will result in a report with no data. Simply select the forms you can use.
KBA , LOD-SF-ANA-VIE , List View, Spreadsheet & Classic reports , Problem