It is most essential to have team review and add those review points before you complete the sprint. Those review will be showing that how successful this sprint has been.
1. To add a review of a sprint by a team, click on Add button.
The purpose of this meeting is to show the customers and stakeholders' work that they have accomplished over the sprint. The meeting is facilitated by the product owner but it is not uncommon to have the team members run the meeting.