Gaussview is a visualization program that can be used to open Gaussian output files and checkpoint files (.chk) to display structures, molecular orbitals, normal modes, etc. You can also set up jobs and submit them directly.

Official documentation:

GaussView on Stallo

To load and run GaussView on Stallo, load the relevant Gaussian module, and then call GaussView:

$ module avail Gaussian
$ module load Gaussian/g16_B.01
$ gview