I can most definitely help with this!
1. Connect your headset to pc
2. Open SteamVR on pc Click hamburger menu icon click settings
3. select 'Steam Link' 'show advanced settings'
4. turn on 'osc' and 'share face tracking data' and 'share eye tracking data'
5. find 'osc port setting' and change to 9015 THEN
6. Go to VRCfacetracking, find 'Steamlink' in the modules and enable it
7. Go to main section of vrcfacetracking and make sure to toggle tracking