pros and cons of meeting owner finance buyers personally

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I have owner financed houses over the years. All of the buyers I found myself till the last number of years.

A few years ago an realtor brought in a buyer and when I came to closing the buyer didn’t speak English or have a SSN. The closer said the buyer didn’t have to and we closed. Since then I have had a few more  buyers brought in thru realtors that have buyers needing owner carry. Some of the title companies prefer to meet buyers and sellers at different times. This would mean I didn’t meet the buyer in person at all. I can ask the closer to do the closing around the same time or is this just old fashion on my part? Would I be better off not meeting the buyer in person?