Google updated the GBP Help page documentation on performance metrics. It now includes views/clicks on offers (a type of update you can post on your profile).

> • Offers: Provide promotional sales or deals from your business.

> ◦ It requires a title, dates, and time. This automatically includes a "View Offer" button on the post. You can also include a description, photo, video, coupon code, link, and terms and conditions.