Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Hi NiKKitty_85,
In the scenario you described, I think the SharePoint Online Task List might be your solution.
Create and manage a project task list
And here is a YouTube tutorial video of SharePoint Task List to help you get familiar with this feature:
SharePoint Tasks or Issue Tracking List - SharePoint Online from Scratch
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Using SharePoint Task List, you could check the current progress on each item clearly and with SharePoint workflow, you could create an email notification if a task is near to the due date.
If you are interesting for a solution via Planner, you could raise a new thread under Microsoft Planner community, hope you will receive help from Planner experts there.
Regards,
Alex Chen