D365 Extending Reports

https://blogs.msdn.microsoft.com/dynamicsaxbi/2017/01/02/customizing-app-suite-reports-using-extensions/

https://stoneridgesoftware.com/customizing-the-check-report-via-extensions-in-dynamics-365-for-operations/


https://blogs.msdn.microsoft.com/dynamicsaxbi/2017/01/01/how-to-custom-designs-for-business-docs/