New product - Item Description

I am getting ready to submit a product for approval and I have a question about using images in the product description.

I have been testing my description using

Can I use external images in my product description? When I inspect existing/listed products, the image scr is something like src=“…”
Does Envato import the images and then host them?

From my experience Envato does not host images for your descriptions, you have to host them elsewhere.