A process can be set with two different statuses:
- Inactive
- Active, that is, the process cannot be changed, only cloned
When cloning a process, you can clone the current process as a new version (so that it can be activated when your job is done) or as a brand-new Process Builder (this is particularly useful when you're using templates).
We can have up to 50 versions of a given process but only one can be active at a time.
To activate a process (by using the Activate button on the builder), we need to have at least one criteria node and one immediate or scheduled action group; once activated, all the other versions will become inactive.
To monitor pending scheduled actions, click on Setup | Process Automation | Flows and refer to the Paused and Waiting Interviews page. In fact, when a process schedules an action, Salesforce creates a flow interview...