AzureSearch is designed to work with Azure based data and runs on ElasticSearch. It doesn't expose all the advanced search features. You may resist to choose it as your search engine from the missing features and what seems to be an expensive monthly fee ($250 as of today). If this is the case, follow this rule:
Consider AzureSearch if your website:
Consider ElasticSearch if your website:
Keep in mind that:
✅ Figure: Good example - Azure website using AzureSearch for what it can deliver today
❌ Figure: Bad example - Azure website using ElasticSearch for a simple search that AzureSearch can do