Reallusion is going to officially announce Royalty-Free on 3D conetnt in the content store next week. It means you don't have to suffer any more hassle or concern on content use right, all content on Reallusion Content Store is royalty free now. Here is the short announcement for your reference.
===================================================================Reallusion goes Royalty-Free on 3D content throughout the Reallusion Content Store
More than quality and selection, royalty-free means once you buy content from Reallusion, you have the right to display that content within any number of commercial or personal projects and pay nothing more. Simplify your creative world with royalty-free content and let your mind manage your creativity, not your usage rights. Reallusion royalty-free 3D, the one stop digital content shop.
Pay once, Use Forever
Royalty- free content never has a cap on use and will never expire
Store & Access Content online
View your content inventory online or download any prior purchase
Got a paying gig?
Reallusion's Royalty-free 3D content can be used in your commercial projects
For complete details see the newly revised EULA
All content is licensed to one machine per account. If you should require to share with other computers, then you will need to purchase a multi-seat license. Contact firstname.lastname@example.org for further information.