Omniverse CAD Converter and usd-convert-cad are governed by the following NVIDIA Agreements:
Enterprise Software | NVIDIA Software License Agreement and NVIDIA Agreements https://www.nvidia.com/en-us/agreements/enterprise-software/nvidia-software-license-agreement/
and
NVIDIA Agreements | Enterprise Software | Product Specific Terms for Omniverse https://www.nvidia.com/en-us/agreements/enterprise-software/product-specific-terms-for-omniverse
By downloading or using NVIDIA Omniverse Products, you agree to the NVIDIA Omniverse terms.