Keep showing Mobile Theme

one of my post, has been assign as a video post format and I notice no matter what I do on desktop it keep showing the mobile version and not the desktop version for only that post that I set as video post format

Hi

Try to deactivate all plugin except Visual Composer, clear all caches, purge all cdn files if you’re using then test again.
Let us know how it goes and if the problem permit please provide a link so we can have a closer look and we will get back to you in shortest time possible.

Thanks!