Most deployments of Dynamics 365 Business Central are SaaS in the Microsoft cloud. With that said, there is an on-remises, self-hosted deployment option. If you are in a sovereign or government loud, this is your only option as the publish date. You may also want more control over your deployment than what comes with the SaaS version. Below outlines benefits, drawbacks, and considerations for choosing to go on on-premises to make the deployment and ongoing support successful.