Not necessarily.
All that the Manufacturer VISION is advertising is that the Monitor uses AMD Certified FreeSync technology as a feature.
Here is that Monitor Website translated by my translation extension on my browser:
Now if VISION advertises the Monitor as having AMD Certified FreeSync technology and it doesn't then that is false advertisement.
But my personal opinion is that VISION is just advertising that the Monitor uses AMD FreeSync Technology which it true and not false advertisement unless AMD hasn't certified that Monitor as Official FreeSync Technology.
From AMD FreeSync FAQ: https://www.amd.com/en/technologies/free-sync-faq
Do all AMD FreeSync™ enabled displays go through a certification process?
Yes. The AMD FreeSync™ technology program requires all displays to go through a robust certification progress.
