Communicate with your viewers using the <a target="_blank" rel="noopener noreferrer" href="https://livingston.frama.io/peertube-plugin-livechat/">livechat PeerTube plugin</a>
Read the <a target="_blank" rel="noopener noreferrer" href="https://docs.joinpeertube.org/maintain/configuration#scalability">scalability guide</a> if you plan to have many users or viewers