Covid Vaccine Passport is a mandatory document to apply for Vietnamese visa nowadays. We are very happy to hear you hold Covid Vaccine Passport, of course, you can apply for Vietnamese visa.
Due to pandemic-related restrictions, the authority ask the travellers to prove they have been vaccinated against coronavirus. Covid Vaccine Passport help passengers manage their travel plans and provide airlines and governments documentation that they have been vaccinated or tested for Covid-19.
List of COVID-19 vaccination certificates accepted to apply for Vietnam visa