Hi...
iClone 8 and Character Creator 4 will allow you to export rigged characters (FBX format) and animations but there are restrictions regarding integration into LLM's. Please see the section of the EULA below which explains this.
"Character Creator Base Model License
The unique topology and character rigs of CC Avatar that generated from Character Creator’s Base Model is Reallusion’s property.
Reallusion hereby grants you a perpetual, non-exclusive, non-sublicensable, revocable, nontransferable right to use CC Avatar to generate your Original Character Creation.
You may sell, distribute, and publish your Original Character Creation for any commercial use, including but not limited to image/video outputs, games, XR, interactive online services, and 3D print, without any limitations, except as listed below:
5.2.1 For any character generation system;
5.2.2 For AI training, machine learning, synthetic data generation purpose;
5.2.3 For any character generating business use.
5.2.4 You cannot sell the 3D model created from Character Creator's Base Model as a content asset in any third-party marketplaces regardless of any file format.
If the CC Avatar is not your original creation or if you do not have the license or permission from the original creators, including Reallusion and other developers' content assets, you are not allowed to sell, distribute, and publish the CC Avatar in any content marketplace or for any commercial use, including but not limited to image/video outputs, games, XR, interactive online services, and 3D print."