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Check here for guidance: 

https://helpx.adobe.com/stock/contributor/help/ip-guidelines.html

https://helpx.adobe.com/stock/contributor/help/known-image-restrictions.html

And this: 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

If you have carefully removed all logos, brand names or other identifying marks, the image will not be rejected based on Intellectual Property refusal. Of course, they still must meet all of the quality expectations.