Mueller's team did. They specifically wrote summaries that were intended to be released to the public and were crafted so as not to reveal any classified information. Barr chose note to release these summaries:

https://washingtonmonthly.com/2019/04/04/muellers-team-wrote-their-own-summaries/

https://www.washingtonpost.com/opinions/2019/04/05/release-mueller-teams-summaries-now/