Hi Steve thanks for posting in the Lucid community - I'm happy to help!
This is generally possible. In order for Lucidchart to "understand" your dataset and automatically generate an org chart you'll need to structure it in the same way that you would employee data. Specifically you'll need to indicate the "reporting relationship" between Subtasks -> Tasks -> Epics -> Initiatives -> Program ->Portfolio. This Set up your data section of the Org Chart article from the Lucidchart Help Center describes how to do this using a "supervisor ID" in detail. For example you might identify a task with Employee ID "5" then indicate that a subtask for that task has Supervisor ID "5" to create your hierarchy. Please let me know if you have speicifc questions about this!
Then once you've imported your data and Lucidchart has visualized your tasks you can use the "Employee Fields" tool which normally displays data attributes like Role Department Location etc. to display attributes of your sub-task data. More information on this can be found in the Manage employee fields section of the article.
I hope this helps! Please let me know if you have any additional questions.