The add-on we have called Print Creator might be a good fit for you.
You can create PDF files and batch print using data in Kintone with Print Creator.
It also lets you quickly create custom PDF forms such as invoices, purchase orders, and certifications, pulling selected data directly from your Kintone applications.
Please refer to the following link to fill out a form to start your free trial.
Kintone - Print Creator:
Could you check this out to see if it can achieve the desired process?