Exchange so that all users can view the meeting room occupied by whom

Set a separate conference room

Set-MailboxFolderPermission [email protected]:\Calendar -User Default -Acce***ights Reviewer

All meeting rooms a unified set

Get-Mailbox -RecipientTypeDetails RoomMailbox | foreach{ Set-MailboxFolderPermission $($_.UserPrincipalName+":\calendar") -User default -Acce***ights  Reviewer }

Reference from:
https://www.experts-exchange.com/questions/28606970/Set-MailboxFolderPermission-Exceptions.html

Reproduced in: https: //blog.51cto.com/zhaodongwei/2411102