Have you any idea about the reason?
I definitely accept they can be rejected, but I would like to know why. Just for improving and to avoid to upload others with the same problem.
I believe it is not a good approach to discard them without any reason
However photos have been reduced in terms of size to stay below 5 Mb. Of course under exposition is not affected...
Please give the reason for the rejection. Every rejection has a reason.
If you are new to stock, you should consider these resources: https://helpx.adobe.com/stock/contributor/tutorials.html
Please read the contributor user manual for more information on Adobe stock contributions: https://helpx.adobe.com/stock/contributor/user-guide.html
See here for rejection reasons: https://helpx.adobe.com/stock/contributor/help/reasons-for-content-rejection.html
and especially quality and technical issues: https://helpx.adobe.com/stock/contributor/help/quality-and-technical-issues.html