It took me like 4 days in total, and that was with one request of more documents. If you have all the documents you need then maybe 2 days? Might depend on if it's Hanoi or Ho Chi Minh
The ask:thailand community, consisting of multiple Q/A groups with over 100,000 members, powers this platform. It is not an official government resource. Our members actively contribute to this resource, and while we strive for accuracy, we cannot guarantee its complete reliability. Assistance to travelers is provided as a community service.