How can I enable the b2b app in the theme editor?
With the new Shopify Online store 2.0, apps can now be enabled directly in the theme editor.
Theme editor
In the Shopify Admin, navigate to the Online Store menu. Select the theme you want to enable the app in and click on "Customize":
In the editor, click on "App embeds" icon on the left navigation bar:
There you can find the "B2B Wholesale Tools" app, toggle the switch to enable it:
Make sure to save the theme in the top right corner.
Verify app enabled
In the app, navigate to the Settings page, click on the refresh icon to let the app verify the theme: