Thanks for contacting us and choosing our product!
We see you are showing sidebar in Homepage, shop & Blog: https://prnt.sc/yBWYxKRDO3cA
and it’s working fine.
Please note Shop & Blog page is Archive page. So you need to set it in Theme Options.
We are checking our theme with PHP 8.0 and it’s working fine: https://prnt.sc/SBiNIg8w9jHj
So maybe you need to enable Debug of your site and send us the report.
We’ll check it for you.