In order to be able to export from KeyShot, you must have a Pro version or higher.
KeyShot Pro is required to export into file formats· OBJ · GLB/GLTF · STL · FBX · ZPR · 3MF · USD
Augmented Reality - AR
· Scenes exported in KeyShot AR will output in USD and GLB formats
More information about exporting through KeyShot and the options available can be found at https://manual.keyshot.com/manual/models-tab/export/.