Upload to YouTube the best resolution file

Hi !
I’m working inside Cubase 9 with 48 khz / 32 bit float resolution.
Can I export the final file in the same resolution (without dithering, no changes at all) & then upload it to YouTube ?
So… YouTube will make the first & last compression for me, from the best resolution I uploaded the file.
Does it will make artifacts to the file ? because, in that scenario the compression will be directly from my 48 khz / 32 bit float resolution to Youtube AAC (or MP3) format ? Does the file actually needs dithering for that ?
Is someone have idea what will actually be the best workflow to send YouTube the exported file ?

Thanks everyone !