The option to organize tabs allows organizations to display only the relevant number of modules and hide the unwanted ones. For instance, an educational organization using CRM might not require the Quotes or Invoices, so these modules can be hidden. ...
You will not be able to create reports for certain modules if, Your administrator had not provided you the access to the module for which you want to create reports. The module (tab) for which you want to create report is hidden. i.e. If you want to ...