我購買了500人的大型會議，也已授權用戶，是直接新建會議就可以用嗎？I have purchased a large conference for 500 people and have author

我購買了500人的大型會議，也已授權用戶，是直接新建會議就可以用嗎？還是要專門建立大型會議？I have purchased a large conference for 500 people and have authorized users. Can I simply create a new conference to use it? Do we still need to establish a large-scale conference specifically?