After logging in, you will be brought to the 'Account Registration' page, which tells you which requirements you need to submit and the status of each requirement. Please refer to the screenshot below:
To upload each requirement, you should be able to click the 'Upload' option
After clicking, you will see a pop up asking you to upload an image of the specific requirement
Place the file under the 'Files' tab and click 'Submit'
The status of your document should immediately change to 'In review' after clicking 'Submit'
Kindly check back after 1 business day if your submission was verified or if it will require resubmission.