If you are looking to use this pack on a multiplayer server or a specific IP, remember that Resource Packs are usually client-side. This means you can see your own enhanced animations on any server, but other players won't see them unless they also have the pack installed. If you are a server owner, you can upload the pack to the server's files so that every player who joins is prompted to download and use the animations automatically.
Yes, you can use add-ons on multiplayer servers, but: descargar actions and stuff minecraft bedrock 1.21 pc ip