[1] Apologies, we currently fixing up our documentation for the upcoming Isaac Sim release.
Here is the correct link for the Omniverse Kit Python API: https://docs.omniverse.nvidia.com/plat_developer/py/index.html
[2] You should use this:
/isaac-sim/_build/target-deps/kit_sdk_release/_build/target-deps/python/bin/python3
See this post for some useful info.
[3] I’m afraid we do not have an ETA for that yet.