Generally your release will be available in the following platform:
Spotify, iTunes, Amazon Music, YouTube Music, Beatport, Facebook, Napster, Deezer, Yandex Music, I Heart Radio, VK, Anghami Music, TikTok.
Those are the major platforms your music will go. Sometimes it may appear on other platforms which may or may not be guaranteed.
It usually takes about 2 weeks before your release will be available. Make sure to checkout the release page for more.