Can we assign a Custom report for external bill management users?

Summary:

we are having an issue on Bill Management Transaction History is running couple of minutes and gives connection timeout error, hence we have decided to change the Configuration of Bill management system options> Transaction History in Months to 12 from 24 then create a report for 24 month Invoice paid history extract and assign it to external users, so that if they want to check they can use the report.

But we could not find a way how to access the report by external users ? as they dont have ESS or Analytics access

Content (please ensure you mask any confidential information):

how to provision report access to external users