Display error on the website

Hi,

I recently started to use WordPress and I would need some help to resolve my problems. I have some display errors on my website whereas there are no problems in the back-end editor. For example, photos and style settings are not displaying on the pages, my Woocommerce shop shows no product.
I tried to desactivate the plugins to see where the problem is but I didn’t see anything.

Does someone could help me with that?

Don’t hesitate to request more informations if needed.

Thank you!