Power BI is a business analytics service by Microsoft. It aims to provide interactive visualizations and business intelligence capabilities with an interface simple enough for end users to create their own reports and dashboards.  These dashboards can be shared among other users in your work organisation (Office 365 tennant) or can be published to a public website, as in the example below (note that you can enter full-screen mode by clicking the arrow icon at the bottom right of the visualisation:

(Note:  Administrators you can edit here or manage your settings .  Other actions include manage themes, adding a page, or managing your menus.)