@Nuno Magalhaes - Welcome to Microsoft Q&A and thanks for reaching out to your query.
If I understand your query, you are trying to send a SCOM data to Azure Monitor and want to create dashboards on top of it. However as @CyrilAzoulay called out, please share additional information if the below is not fitting your scenario.
With the current understanding of your query, at a high level below are the steps you might have to follow through. Please circle back if you have any further questions. Thanks
- Integrate SCOM to Azure Monitor
- Start sending SCOM data to Log Analytics
- Validate if the SCOM data is showing up in Log Analytics
Once you have the data and can run the queries successfully, you can create a dashboard as per requirement.
Hope this information helps, please circle back if you have any further queries. Thanks