Perform the following in the Azure Console:

On Azure portal there is no provision to check or set categories.

Perform the following in Azure Command Line Interface 2.0:

1. Use command: az monitor log-profiles update –name default in order to update existing default log profile.

References:

1. https://docs.microsoft.com/en-us/cli/azure/monitor/log-profiles?view=azure-cli-latest#az-monitor-log-profiles-update