A platform as a service (PaaS) solution that hosts web apps in Azure provides full control of the operating systems that host applications.

A platform as a service (Paas) solution that hosts web apps in Azure provides the ability to scale the platform automatically

A platform as a service (Paas) solution that hosts web apps in Azure provides professional development services to continuously add features to custom applications.

Azure provides flexibility between capital expenditure (CapEx) and operational exponditure (OpEx)

If you create two Azure virtual machines that use the B2S size, each virtual machine will always generate the same monthly costs