It doesn't matter if it looks like she is resting her elbow against the chair from above.
What matters is the perspective from the front. Never saw anyone leaning against a chair that way.
The pose just looks unnatural and uncomfortable.
Same with her little toes: They're producing a little bulge thus the shoe doesn't look as smooth as it should.
And don't whine about getting critique when you post your stuff online. If you show off here or anywhere else, then your work is open ground for any kind of comment, positive, negative or constructive:
Other artists tried to help you getting better. Your attitude won't get you far, neither here on f95 nor anywhere else.