Choose projects where you want Smart Checklist to be displayed. Go to Apps through Admin console and toggle the "Smart Checklist" option per project on your instance.

This will hide/show "Smart Checklist" panel on Issue View and Agile Board view.

Bulk Enable/Disable

You may enable or disable Smart Checklist for multiple projects in a bulk.

1. Go to Projects page
   

   

2. Click on 3-dot menu and choose an option.

3. In case, there are more than 50 projects on the instance - you;ll get a Progress Bar notifying you about operation progress.
   

   

4. Once the operation is completed - you'll get a Success message.
   

   

5. Click Acknowledge.