Welcome to the Shopify community! and Thanks for your question.
Please share your site URL, So I will check and provide a solution here.
can you please check your theme setting may be allow this option
If helpful then please Like and Accept Solution. Want to modify or custom changes on store Hire me. - Feel free to contact me on firstname.lastname@example.org regarding any help Shopify Expert | Skype : bamaniya.sky PSD to Shopify | Shopify Design Changes | Shopify Custom Theme Development and Desing | Custom Modifications In to Shopify Theme | SEO & Digital Marketing