U.S visa applications belonging to the following categories do not need to undergo in-person interviews to get the visas:
Students applying for F, M, and academic J visas
Workers applying for H-1, H-2, H-3, and individual L visas
Culture and extraordinary ability candidates applying for O, P, and Q visas
They must have been granted a visa category in the United States previously.
They had never been denied a visa to the United States before.
The applicants are not visa-ineligible or potentially visa-ineligible.