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Google ties review availability to the profile's category: it says reviews are available only in certain countries or regions and for certain business categories.
Fix If the primary category does not describe the business, change it to one that does. This is the only cause on this page you can act on yourself.
Source: Manage customer reviews — Google Business Profile Help, checked
Google says it might temporarily disable user-created content, including reviews, for certain Business Profiles or business categories to protect business owners.
Fix Wait for Google to lift it. It is temporary and not something the profile's settings control.
Source: About missing or delayed reviews — Google Business Profile Help, checked
Google says reviews are available only in certain countries or regions and for certain business categories.
Fix Nothing to do. Changing to a category that does not describe your business to get reviews back would be a misrepresentation of the profile.
Source: Manage customer reviews — Google Business Profile Help, checked
Google says reviews and ratings are removed and disabled for Business Profiles primarily categorised as educational institutions for students aged 6 to 18.
Fix Nothing to do. This one is permanent for that category.
Source: About missing or delayed reviews — Google Business Profile Help, checked
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There is no switch for it. Reviews follow the category and region; the only thing in your hands is whether the category is right.
Only if the current one is genuinely wrong. Picking a category that does not describe the business to unlock reviews misrepresents the profile.
Google says reviews and ratings are removed and disabled for profiles primarily categorised as educational institutions for students aged 6 to 18.
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