Hello, Parshva,
Thank you for using our theme.
1/ https://xstore.helpscoutdocs.com/article/45-8theme-page-post-layout-settings-8theme-post-options
Go to Pages > click on Shop page > [8theme] Layout Options for Pages > Sidebar width
2/ Could you provide temporary wp-admin access via the Private Content area?
3/ Theme Options > WooCommerce > Shop elemets > Variation swatches > > Position > select “Disable”
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