Alert composer or notification alert for performance document

We use performance documents for our 90, 180 and 1 year stay interviews and have been using a journey as the form of notification for the manager that it is time to complete the employees stay interview. We are currently revamping our stay interviews and looking for a more efficient way of notifying the manger as our current way has a few problems.

The two major issues are that the journey is triggers by the action of hire or rehire and the manager may have changes from the day of hire to when the document is being created. The second major issue is that the journey is created on the action of hire or rehire if the employee is termed the journey is still created and assigned to the manager. that the two areas (journey and performance documents) don't sync so the journey will notify the manager as of the hire that the employee should now have the performance document but if