Hi,
Did you follow the procedure here to set up the dashboards and index beats data into ES/logstash?
For example for metricbeats: https://www.elastic.co/guide/en/beats/metricbeat/current/metricbeat-configuration.html
https://www.elastic.co/guide/en/beats/metricbeat/current/load-kibana-dashboards.html
Second step: can you please check if your es has data by doing _cat/indices?
Third step: are you querying on the time period where there is data in elasticsearch?
Thanks,
Bhavya