Why there're watermark on my downloaded image

Thank you, I appreciate it

That's not an Adobe watermark. That is part of the artwork, and according to the quality requirements, this is not allowed and should have been refused during the moderation phase. This asset is not as it should be. @Contributor1 will take care of this and will restore your lost credit. Unfortunately, you will need to choose a new asset.

Please contact support to request a return.
This was the contributor's mistake.

Of course, I licensed it 🙂

Did you license it? You may have been downloading as well a preview of the asset.