2 variants - With Batch - Performance & ability to process multiple formats of input. With online ability to adhoc correspondence...Apart from this most of the doccm tools advice business rules to be a separate layer if it can accomodate high degree of business rule without compromising performance then thats great.
The ability to use various input types (Data/PDF/API link) and output in every stream possible.
2 variants - With Batch - Performance & ability to process multiple formats of input. With online ability to adhoc correspondence...Apart from this most of the doccm tools advice business rules to be a separate layer if it can accomodate high degree of business rule without compromising performance then thats great.