Much of the content available on Scribd is legal, having been placed online by the author or data that is "public domain".
However, a fairly large minority of the content on Scribd is illegal, consisting of works that are still covered by copyrights which Scribd does not control - and the users who uploaded the data does not control.
A couple of years ago, Science Fiction author Jerry Pournelle discovered that many of his works had been placed online on Scribd without his permission, and discovered that it was astonishingly difficult to get the attention of managers on Scribd in order to have his books removed. Much of the conversation is still available on Pournelle's site:
http://www.jerrypournelle.com/archives2/archives2view/view482.html#Monday
Chat with our AI personalities
Yes, Scribd is a legal platform that offers subscription services for ebooks, audiobooks, and other digital content. Users pay for access to the content that is available on Scribd's platform, and authors and publishers are compensated for their work.