Each piece of software is configured to make your viewing pleasure as simple and easy as possible. There will be issues as this is an IT system but generally it is a good integrated system.
Overseerr
Overseerr is a request management and media discovery tool built to work with your existing Plex ecosystem
Radarr is a movie collection manager for Usenet and BitTorrent users. It can monitor multiple RSS feeds for new movies and will interface with clients and indexers to grab, sort, and rename them.
Sonarr is a PVR for usenet and bittorrent users. It can monitor multiple RSS feeds for new episodes of your favorite shows and will grab, sort and rename them.
Plex is your destination to stream TV shows, movies, and sports. Find great movies to watch and stream all your personal media libraries on every device.