Thank you for your replies. I wanted to make sure that I haven't missed anything. Other systems I worked with have a visual screen with the list of vendors on the left and individual invoices on the right. The user clicks a vendor and then clicks on specific invoices that need to be paid. Clicks another vendor and clicks more invoices. It is a very straight forward and easy process.
With BC, similar process seems a bit more difficult. I'd need to type the amount that I want to pay next to each invoice.

The funky thing is when I come out of that screen I only see the amount for one invoice.

And when I go back in to check what has been selected, I only see one document.

Where is the rest?
This must be a nightmare for and AP person?!
Thank you for your comments.
Oleg.