Probably the most important part of the release of Microsoft Teams in a company is the pilot phase, namely introducing the new tool gradually.
This phase is essential in order to figure out how Teams works and exploring the functionalities, this is something that could be conducted by a few Teams involved in several topics like IT security, governance, data protection and so on.
In order to do that the tenant admin has to configure the Azure Active Directory properly across Powershell, but there is a requirement, in fact, it's necessary to install Powershell cmdlet for Office 365.