Riri
As long as the right corresponding documents/scans are uploaded it should be fine.
My security docs were checked off I think after a day, and medicals were 8 days after I uploaded them all.
It varies though. Don't worry, if there's a problem with anything they will email/call you. I think they just prioritize it on how soon your doj is and whether you need a notice period.
FA is just an email with 'advise to resign' as the header. You'll also See this reflect on your portal when you login.