On Thursday, 12 Oct 2017 at 14:13, Kaushal Modi wrote:

[...]

> 1. You mean.. how to type that in Emacs in the first place?
> 2. Or it's fine in the Org file, but does not export correctly?
>
> I can help if it's the first question.. just type "C-x 8 ' e" to get "é"
> (and "C-x 8 ` e" to get "è").

For the second question, depending on the version of LaTeX you have
installed, what Kaushal has told you should be enough.  For older
versions of LaTeX, you might need to type this in your org file:

Saut@@latex:\'{e}@@

which is obviously not as pretty...  Try Kaushal's suggestion first.

-- 
: Eric S Fraga via Emacs 27.0.50, Org release_9.1.2-98-g0b8316