To report missing reviews in Google Business Profile, follow these steps:

1. Contact Support
2. Select your business in the drop-down menu. (Ensure the business follows all eligibility guidelines)
3. Type 'Missing Review' under 'Tell us what we can help with'
4. Choose 'Review Missing' under 'Choose the best description of this issue'

Include the following information in the description to expedite your request:

• Business Profile ID (Instructions here)
• (Optional) Screenshots of the missing reviews
• Number of reviews missing from the profile
• Are new reviews being published on the profile?
• Time frame in which the reviews have gone missing (e.g., did they disappear all within the last week or over a longer period?)
• Reviewer Name(s)
• Related Case ID(s)

For more details, you can watch this video.

To remove inappropriate reviews from Google Business Profile, you can use either Google Maps or the Reviews Management Tool.

Flag a review in Google Maps

1. On your computer, open Google Maps.
2. Find your Business Profile.
3. Find the review you'd like to report.
4. Click More > Flag as inappropriate

Flag a review in the Reviews Management Tool

1. Go to the Reviews Management Tool.
2. Ensure the email address shown is the one you use to manage your Business Profile. (Tip: If you use another email address, click Switch account)
3. Click Confirm.
4. Select your business and click Report a new review for removal.
5. For each review you want to flag, click Report.
6. In the new tab, select a category for the review.
7. Click Submit.

For more information, you can refer to the Help Center Article or watch the video: How To Use The Flag Review Tool in Google To Remove Negative Reviews - Sterling Sky Inc Local SEO.

Reviews may go missing from Google Business Profile for several reasons, usually due to policy violations such as spam or inappropriate content. It's important to review the Review policy guidelines before proceeding. For more detailed information, you can also refer to the Help Center Article.