In abstract book or the individual abstract's PDF generated from the frontend or backend, the order of the fields is currently based on its creation date or probably ID. It should be based on the order of the fields and all conditional fields should be displayed under their parent fields.
https://sma2025vegas.dryfta.com/submitted-abstracts/abstract/detail/28/digital-parenting-roundtable-untangling-the-marketplace-of-children-s-digital-consumption