Fscebook

The uninstall option is there for me. Using a Verizon Note 10+. Some carriers have pre installed apps that may not let you uninstall them. Have you tried to see if you can disable it at least??
 
I was able to uninstall mine with no problem just long press the app and the option will pop up.
 
I have an unlocked Note 10+ on Sprint and I can only disable Facebook. No option to remove.