If you have the right permissions, you will be able to share dashboards with your colleagues.
To do this click on the Bright Analytics logo in the top left corner and locate the folder or dashboard you would like to share on the side ribbon and click the 'Share' button:
You can also share a dashboard from the main list of dashboards by clicking on the 3 dots to their right:
This will open up the share widget:
From here you can choose who to share the dashboard and which permissions you would like to grant them. These can be changed later in the same manner.