Adding columns to a report from a related report

Adding columns to a report from a related report

Zoho creator allows me to add columns to a report from a related report. But sometimes the columns I want to show are uploaded files in the remote report. 

Is there a way to do this? It does not seem to show file upload fields. 

e.g. 

Report A has Purchase Orders. I can show the address of the associated company from a related Report-B but it won't let me show (say) the company Tax certificate which is an uploaded doc in Report-B

Any workarounds?

Otherwise, can the zoho team treat this as a feature request?