Is job offer letter required from EB2-NIW visa interview??

I was going through the checklist from US Embassy to bring to immigrant visa interview. A job offer letter from your U.S. employer dated less than one month ago is listed for employment visa applications. I got my I-140 approved for EB-NIW which does not required job offer. Is job offer really required for visa interview? I don't have any job offer yet. I tried to apply few positions but the first thing they ask is if I have a legal permission to work in the US. Any help on this matter wou

Hi there, Job offer is not required but the interviewer asked me if I had any job offers. I did not have formal job offers either but I had three possible offers. I took all the communications I had with them during interview. I printed all the details of skype/phone interviews I had with them. They are likely to offer me after I get my visa and they did too. I explained all the possible offers to the interviewer and let him know that the companies are willing to hire me after I get