Unable to send payment approval per

Summary:

Customer wants to approve payment if certain supplier Invoice in payment batch exceeding the payment threshold. Lets say one payment batch has 3 suppliers invoices for Supplier A, B, C with individual invoice amount 400K, 600K and 100K respectively. Now threshold amount is set as 500K so expectation is only supplier invoice of supplier B will go for approval first for 1st level approval and once approved the entire payment batch will go for 2nd approval. Currently payment approval goes only at the batch level and not individual invoices level hence need help to know from oracle whether there