You can also tap into the entire Jupyter system using emacs-jupyter [1] which also includes an org-babel component – and it looks like you can preview the LaTeX in Org mode given a few options options [2].

[1] https://github.com/nnicandro/emacs-jupyter

[2] See https://github.com/nnicandro/emacs-jupyter#a-note-on-using-t... and https://github.com/nnicandro/emacs-jupyter/issues/218