так как в день нашего разговора он

так как в день нашего разговора он уже получил предложение и ждет утверждения, хотя оно и не окончательное поскольку там нужна американская виза.

Результаты (английский) 1:

Since the day of our conversation he had already received the proposal and is waiting for approval, although it was not final because they need a u.s. visa.

Результаты (английский) 2:

since the day of our conversation, he has received an offer and is waiting for approval, although it is not definitive because it needs American visa.

Результаты (английский) 3:

as in the day of our conversation he had already received a proposal for approval, though it is not final because there need american visa.