Hi dear, the key thing about supporting doucments is; whatever your answers on the form, it should be supported by the documents that you will be submitting. They said, employment or financial stuff of applicants is not really necessary in settlement visa if your sponsor passes the financial requirement.
So, I would ask you this, are you employed? If you are and you will mention it in your application, you should support it by means of submitting your employment documents.
In my case, I am employed, and in VAF4A, I answered "YES" to the question "Are you employed?" so I submitted my 6 month payslips, certificate of employment, certificate of compensation, bank statements (so they would see my income from my company goes straight to my bank account), bank certificate.
Those are the evidences to prove that my answer on va4a is true.