I have got the visa package and received the letter without interview. Does this not affect my exit?

does not affect exit. According to the relevant information, if you get an immigrant visa package, you can freely travel to the immigrant country. A visa is an approval document for a government to allow foreign residents to enter the country. As long as your visa application is successful, it means that you can legally enter the visa country. Visa plays an important role in checking and controlling people entering and leaving the country, protecting national security, preventing illegal immigrants and criminals.