You can use [ConverseJS moderation commands](https://conversejs.org/docs/html/features.html#moderating-chatrooms) to moderate the room.When you open the chat room in full screen, there will also be a menu with dedicated commands on the top right.
To enable or disable this feature, use the [chat dropdown menu](/peertube-plugin-livechat/documentation/user/viewers), open the "configure" menu.In the form, you will find a "{{% livechat_label livechat_configuration_channel_mute_anonymous_label %}}" checkbox.
When this feature is enabled, anonymous users will be assigned the "visitor" role.You can change their role to "participant" if you want to allow some of them to talk.
You can choose to enable or disable this feature for new chatrooms on the [channelconfiguration page](/peertube-plugin-livechat/documentation/user/streamers/channel).