What is sap even written in? Never used it. If it’s a cloud app, why do sysadmins need to manually install patches? Wouldn’t this be pushed by sap themselves?
SAP also predates the cloud, it used to be in mainframe land though (SAP R/2).
It has a cloud offering in its latest revision SAP HANA, but switching a major version is prohibitely expensive and requires immense amounts of work.