Hello, Roteck,
Add content into the category description area (it can be shortcode of a static block, for example – https://prnt.sc/21yt5f2 ) , then select the position via Theme Options > WooCommerce > Shop > Shop page layout > Shop Page Banner Position.
If you have any additional questions or concerns, please do not hesitate to reach out to us. Our support team is always available to assist you.
Kind Regards,
8theme team