what are all workflow is available in ION suite.

I am looking for sales process ,purchase process and finance payable process in workflow.

How easy to customise the workflow and integrate with LN

please confirm.

Hi, ION itself has no workflow content. ION offers the modeling capabilities.
The content will be application specific. For LN there is some workflow content available.
Please have a look at generic solution 1026816. This solution describes the current possibilities and will be updated when a new content pack is delivered.

regards, Adriaan