It's not clear what does the selection field "Key Date" mean in App Service Order - Actuals.
SAP S/4HANA Cloud
The Key Date does not restrict the transaction data of App Service Order - Actuals. It is used to determine time dependent Master Data like Cost Center or Profit Center that can be accessed from the query result list.
You can use Fiscal Year and Period to restrict transaction data.
KeyDate, mandatory, compulsory, restriction, data, transaction. , KBA , CO-OM-IS , Information System, iViews , Problem