Sales Rule Store Views User Guide
Sales Rule Store Views extension is aimed to replace sales rule websites with rule store views. This way a rule can be enabled/disabled for specific store views in the same easy way as to enable websites for the standard setup.
On the admin menu, tap Marketing → Promotions → Cart Price Rules.
Websites column is replaced with Stores column. The module populates sales rule store views by current rule websites automatically. Next, you can adjust rule store views.
Edit Sales Rule Store Views
On the admin menu, tap Marketing → Promotions → Cart Price Rules. Click on a sales rule to edit.
Enable/disable store views. Save the form.