We checked & found that citizens of Burkina Faso are NOT eligible for e-visa of Vietnam, therefore, you can choose option 2 or 3 to get a visa for visiting Vietnam.
Sihlole sathola ukuthi izakhamuzi zaseNingizimu Afrika AZIFANELE i-e-visa yaseVietnam, ngakho-ke, ungakhetha inketho 2 noma 3 ukuze uthole i-visa yokuvakashela iVietnam.