Roamio OTA + Plex?

I've been a TiVo Series 3 user for ages, and a Plex Media Server user for years, but I've never used the two of them together. Now I'm considering a Roamio OTA to replace my aging Series 3/HD.

The TiVo sales propaganda says Roamio OTA is compatible with Plex, but compatible how? Can the TiVo "see" movies and TV shows stored on my Plex media server and play them like any other content? Can it search Plex-stored media? If I search for movies with Scarlett Johansson (for example) will Roamio...

Roamio OTA + Plex?

Roamio OTA + Plex?