I will slightly darken the sky, the rest of the photos are very good.
The shadows on the right are underexposed, the sky should be somewhat darker, it is out of focus (too soft) and the roof top is not level. Also I would crop it some.
Have you already submitted this photo and it was rejected? If this was the original photo you submitted it is too small to meet the requirements. Photos need to be at least 4 MP, yours is about 2.2 MP.
Here are some resources that might be useful to you:
If you submitted this to Adobe Stock, what was the reason for rejection?
Adobe Stock customers expect the highest visual and technical quality for use in commercial projects.