The concept of fair use allows creators to use copyrighted material without first obtaining permission from the copyright owner, provided certain conditions are met. European copyright law states that material protected by copyright may only be used under very specific exceptions.
Before you decide to use third party content covered by the 'fair use' concept on your own video platform, we recommend that you first investigate the consequences of that decision. A lawyer may be able to tell you what is and what isn't allowed in the area of fair use.