How to see the Autocomplete Rules tab in Design studio on my second instance 'test environment'?

Summary:

I can see the Autocomplete Rules tab in Design studio on my production environment. But I am not able to see it on my second environment 'test environment' even though I've configured the "Profile options" and "Administrator Profile Values" exactly as it is on my production environment and entered the same key.

Content (please ensure you mask any confidential information):

I can see the Autocomplete Rules tab in Design studio on my production environment. But I am not able to see it on my second environment 'test environment' even though I've configured the "Profile options" and "Administrator Profile Values" exactly as it is on my production environment and entered the same key.