Hello @haynovi, is this a photo of a photo or an existing artwork? If so, do you have a property release?
It is also not very well focused. The edges of the original paper are also visible. At the upper right edge of the original work is a blue smudge.
Zooming in to 100%, which is what you should ALWAYS do since it is what the Moderators do, reveals that the leaves are not sharply focused, and there is fringing around the edges of some. Additionally, the background is not pure white, which may limit the utility of the image.
What was the rejection reason Adobe gave you? Please don't make us guess.
Meanwhile see links below.
Better luck next time. 🙂