Your Provile has a hire now button so I think your profile is approved. I do not know how you can confirm from your side. May be upwork sends some notification etc.
Just to confirm that your application haven't been submitted for a review, if you`re ready please go to the bottom of the page and click on Review Application.
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appear to be online already and went through to a find jobs page. Don't I
have to wait to be accepted onto the site?