anyone know why this photo is rejected

1. Quality/technical issues -- poor focus and framing.

2. Model Release signed by the parent or guardian.

Adobe Stock customers expect the highest visual and technical quality for use in commercial projects. Consult your Contributor User Guide for more details on what's expected.

• https://helpx.adobe.com/stock/contributor/help/reasons-for-content-rejection.html
• https://helpx.adobe.com/stock/contributor/help/quality-and-technical-issues.html
• https://helpx.adobe.com/stock/contributor/user-guide.html/stock/contributor/help/photography-illustrations.ug.html
• https://helpx.adobe.com/stock/how-to/tips-stock-image-acceptance.html
• Model/Property Releases:
  https://helpx.adobe.com/stock/contributor/help/model-release.html
  https://helpx.adobe.com/stock/contributor/help/property-release.html
  
  

It's not well composed. The child should have been entirely in the frame.

Depth of Field is too shallow and it should be cropped better.