Leaderboard HoloReplays are now enabled for everyone on game version 1.41. Remember, this is a phased rollout, so not everyone will see them right away. As the version becomes available, you’ll be able to see HoloReplays from the leaderboards.
To see all the information about the new version of HoloReplay and to leave your feedback, head to the thread: Introducing Leaderboard HoloReplays [May/June 2023]