[I have completed my order but buyer didn't give me reviews]

Buyers can review at their own discretion. They do NOT have to give you any sort of review or feedback. I would also suggest to NOT write to them asking for a review - this is a good way to get a violation on your account and risk your level here.

Leave the buyer alone. They will review you or give feedback when they choose to. Many NEVER leave a review.

GG

I guess this’ll answer. Thanks for adding.