Hello manish,
First of all congratulation
usually it will take 24 hours but from few months back for most of the member it took more days to reflect some of them getting after 1 month also
there are many same post there : https://www.outsystems.com/forums/Search.aspx?page=1&q=Reactive+certificate+not+reflected&scat=forums
you will definitely get but still you want to report this you can raise a support ticket(to get in touch with the team asap) Raise a Support Ticket
be patient you will definitely get that
Thanks and Regards,
Akshay Deshpande