I have no idea what either Wattpad or AO3 is.
AO3 is ArchiveOfOurOwn.org. They’re both fic hosting sites.
Both are creative writing sites with large/primary focuses on fanfiction. AO3 (Archive Of Our Own) allows for works depicting rape, incest, and pedophilia. IIRC Wattpad never did.
I’d describe it as Ao3 has a broader set of terms of service and permits a far wider range of stories to be told
Would you also describe Johnny Sins as an experienced, award winning actor whos played a wide array of roles? Cuz its true but…