Account Generator Workflow/SLA

We are at a public sector client and are bound by the requirements of fund accounting.  For Assets, this means that all purchases are initialy expensed.  We  are using the special public sector processes to first update the Track As Assets flag and the after the Mass Addition process has been run, the Update Asset Type process to change the asset type from expensed to either CIP or Capital.  After all this back ground, my question concerns Account Generator Workflow (WF) and/or SLA.  I understand from the documentation that the Asset Clearing is not generated using either of WF or