Adobe Fonts is bad and hardly ever works right
The font is installed! EVERY single time I open my project there's a problem with the font. I have to go through a while process of quitting everything and opening in a specific order to get the Adobe app to accept that the font I installed through Adobe creative cloud is actually installed. Then magically the font is resolvable.
There doesn't seem to be a way of making Media Encoder accept that the font is installed, so all exports have to be done through PP.