SAA Voyager wasting my time

Ok, so I have now sent information requested by SAA Voyager 16 Times to just simply get my Pin so I can check and use my miles...Zero answers. I just get the Generic "Send these Docs"If you have a frequent flyer program, maybe it should work. I fly SAA Into Africa every 2nd week but haven't seen 1 mile. Monday I fly with you again and on Thursday. I really don't know why I do