Honestly you shouldn't have any kind of limitation executing diferent workflows.

I did a test case in my Databricks and if you have your workflows with a job cluster your shouldn't have limitation. But I did all my test in Azure and just for you to know, all the resources that you need to create in your Databricks (I mean clusters) are related to a subscription in Azure in which you are creating the VM for the cluster specification. So maybe you must pay attetion to this related subscription (Don't know how Google works in this terms) to check if you have any kind of limitation creating VM for your clusters.