PBCS - how to burst multiple different reports to a single email as you could in FR

In the financial reports explore repository you could create a document holding several reports for batching. We currently batch about 10-15 reports into a single email for various business entities for month close. So Team 1 would get their 10 different PDFs in a single email relating to their Entity. Team 2 would get the same reports for their different Entity, etc.

I have migrated the Financial Reports to 'Reports' as this is compulsory by Jun 25 but there doesn't seem to be a way to burst several different reports by entity into one email. You can only burst one report into several entities which would mean sending 10 different emails to each team with a single report in each email. The Book option puts all the reports into a single PDF which is closer to what we want but that's not helpful as the business need them as separate files. So, I need 10 different reports individually saved to PDF per