PR ITC Delayed
If document is available in 2A but not available in 2B then while selecting 2B source PR invoice will be showing under "PR ITC delayed"
You can check the 2B status by searching the same invoice number in "2A source" . You need to click on the invoice number and then check "Available 2B" is Yes or No.
Once vendor will file the return for this document numbers on next statement on GSTR-2B these invoices will be reflected and the same will be change from PR ITC delayed to matched sections.\