You will only be able to open or pin a Facility only if the Hiring Organization has Mobile Badging enabled.
Pin Facility Badges to your Home Screen
Tap 'Add' under Facilities.
Select the Facility you would like to pin to your Home Screen.
Tap 'Pin' at the top-right of the Badge
Once the Badge has been pinned to your Home Screen you will be able to easily access your Badge when needed.