hide the left pane for other user

Took me a few minutes to find:

http://blogs.msdn.com/b/powerbi/archive/2015/11/24/power-bi-weekly-service-update-1124.aspx#chromeless

Chromeless Full Screen Mode for Dashboards and Reports

We heard from many users that they want to display their dashboards in hallways and presentations, and the chrome around the dashboard can distract users from what is most important. Last week we added improvements to full screen mode in terms of navigation. This week we are taking it one-step further and allowing users to display their dashboards in full screen mode without the Power BI chrome. To view dashboards in chromeless full screen mode, add the URL parameter ?chromeless=1 to the URL of the dashboard you want to view.

For example, https://app.powerbi.com/groups/me/dashboards/3065afc5-63a5-4cab-bcd3-0160b3c5f741?chromeless=1

This will load the dashboard without any chrome, and now you will be able to enter full screen mode of your browser and have a beautiful dashboard to display in presentations, office hallways, and anywhere else you would want to show off your creations.