An AA applicant is someone who has applied for a job that is open to all races, genders, and ethnicities. The acronym 'AA' stands for 'Affirmative Action, ' which is a policy that seeks to promote equal opportunity in the workplace. The term 'SOT' is an abbreviation for 'Statement of Qualifications, ' which is a document that outlines an applicant's qualifications and experience for a particular job.