You are IP1. NA will come in a while. Before NA, your Review of additional documents status will change to "We do not need addidional documents".It shows:
Application status We are processing your application. We will send you a message when there is an update or if we need more information from you.
Review of eligibility We are reviewing whether you meet the eligibility requirements.
Review of medical results You passed the medical exam. (SEP 5th)
Review of additional documents The additional documents you provided are being reviewed.
Interview You do not need an interview. We will send you a message if this changes.
Biometrics We do not need your fingerprints. We will send you a message if this changes.
Background check We are processing your background check. We will send you a message if we need more information.
Final decision Your application is in progress. We will send you a message once the final decision has been made.
I never noticed any NA.