For those who has not seen the announcement a few days a go.

The new Veeam integration with Splunk will leverage Veeam event forwarding capabilities to enable monitoring of Veeam backup environments with detailed dashboards, reports and alerts, reducing organizational risk and ensuring business continuity when cyber-attacks occur.
Veeam App for Splunk supports Splunk Enterprise 9.1.0 and later and Splunk Cloud Platform 9.1.2308 and later, and is available now via Splunkbase at https://splunkbase.splunk.com/app/7312.
Veeam App for Splunk is free with a Veeam Data Platform Advanced or Premium license that includes syslog event forwarding support.
For more detail/information, see the Splunk release information.