https://www.zoho.com/us/spend/kb/admin/purchase-orders/partially-bill-po/
Learn how to bill partially from a purchase order and to create a single bill from multiple purchase orders.
purchase order faqbillpartiallyzohospend
https://www.zoho.com/en-in/erp/kb/sales/backorders/purchase-receives-backorder.html
Learn if you can create purchase receives for a backordered purchase order in Zoho ERP.
order faqcreatepurchasereceivesback