Contrary to what a lot of people might assume, a person applying for a critical skills visa needs to submit their application and original passport in person at a consulate in their home country, commonly referred to as RSA mission abroad. The process will take 4-6 weeks depending on the country and city where the application is submitted.
SAQA is the acronym for the South African Qualifications Authority. As the name suggests, it is a qualifications authority whose role is to compare your foreign qualifications and advise on the equivalent qualification(s) in South Africa. In most cases, you will usually need to have all your education certificates and/or degrees evaluated and verified by SAQA.