Data is sourced from Gartner Peer Insights so there must be reviews of your product in Peer Insights in order to appear in Product Decisions. Below is more detail on the review thresholds:
The market your product is in needs at least 50 reviews overall in order for the tool to analyze user needs at a market level.
Your product needs at least 5 reviews to appear in Comparative Analysis tab.
If you would like to work with the team on how you can increase review volume, please reach out to: PeerInsightsVendorSuccess@gartner.com. If you believe that a product is missing in error, please send the Product Decisions team a message via the in-app chat on the bottom right of the tool.