You can import any torrent file that points to a media file. You should make sure you have diffusion rights over the content it points to, otherwise it could cause legal trouble to yourself and your instance.
This instance allows registration. However, be careful to check the <x id="START_LINK" ctype="x-a" equiv-text="<a class="link-orange terms-anchor" (click)="onTermsClick($event, instanceInformation)" href='#'>"/>Terms<x id="CLOSE_LINK" ctype="x-a" equiv-text="</a>"/><x id="START_LINK_1" equiv-text="<a class="terms-link" target="_blank" routerLink="/about/instance" fragment="terms">"/>Terms<x id="CLOSE_LINK" ctype="x-a" equiv-text="</a>"/> before creating an account. You may also search for another instance to match your exact needs at: <x id="START_LINK_2" equiv-text="<a class="link-orange" href="https://joinpeertube.org/instances" target="_blank" rel="noopener noreferrer">"/>https://joinpeertube.org/instances<x id="CLOSE_LINK" ctype="x-a" equiv-text="</a>"/>.