PeerTube support for offloading transcoding to other machines is <a target="_blank" rel="noopener noreferrer" href="https://github.com/Chocobozzz/PeerTube/issues/947">being discussed</a>, but not yet implemented.
If it was easy to embed a PeerTube video on a website or to share it on social media, it wasn't possible to embed playlists. So we worked on their integration on third party websites. It's now very easy to share playlists with the embed code: