Elasticsearch as a Billing System Backend

We are in the process of designing a Billing system for our product. Now we are in the look for the data store to be used. Elasticsearch is one we considered, do you recommend using it in a system like billing has some critical data.
Our expected TPS is 500, that is 50 million records per day.
Data retention period would be 1 year.
summarization is done after one year.

I'd read https://www.elastic.co/guide/en/elasticsearch/resiliency/current/index.html#_data_store_recommendations

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