See below “post-installation steps”, it will help you.
Note
If you have followed the default installation instructions for
docker-ceyou may need to havesudoaccess to rundockercommands. In order to circumvent this, TLT recommends you to follow these post-installation steps to make sure that the docker commands can be run without sudo.
From https://docs.nvidia.com/metropolis/TLT/tlt-user-guide/text/requirements_and_installation.html