If you want to share Office applications from the cloud then there’s a good article from Microsoft that explains how you need to license this scenario.
Essentially you need an Office 365 ProPlus subscription and an Azure RemoteApp USL – note that a traditional Office Professional Plus 2016 licence isn’t an option.
The article also covers notions such as shared computer activation, Visio and Project, and an overview of how you get started with Office 365 and Azure RemoteApp. It’s definitely worth a read – find it here: http://bit.ly/1MpF6lB.