How to Upload image/text under "POST" Widget?

You can use a cloud service like this:
https://postimages.org/

https://postimg.cc/bd3BQTfd

Highlighted in RED. POSTS widget. it's not getting any image/test nothing.

Hi there,

This is something you'll need to work with Elementor to resolve as it's their editor you're working within (not the theme). Their support will be in a much better position to help fix the issue for you.

Thanks!