Does the administrative team of a company have full control to install an application on virtual machines?We are referring to working with IaaS.

Answer options:

A.Yes
B.No

Answer – A 
The Azure virtual machine service is an Infrastructure as a service. Here you can install applications on the underlying virtual machine. 
The Microsoft documentation mentions the following. 

For more information on Azure virtual machines, please visit the below URL- 

https://docs.microsoft.com/en-us/azure/virtual-machines/windows/overview