Left field question... rendering the textures rather than a scene?

Hi, I create game assets for Second Life.  My current workflow is Substance Painter, using the baked light filter to render my textures with some lighting and highlights on the diffuse (2d window export for diffuse).  I have been wishing for something like Stager for a while because it can be difficult to get the baked light filters "just so" to achieve the results I am looking for.  Because SL is not a proper PBR environment it is necessary to fake bake the textures a bit to be sure that everyone is seeing the item the same way, whether they have a high end graphics card or are on a craptop with a low end card.  So my burning question is this: can I bring fully textured models out of painter, into Stager and create all the exported texture files with the lighting I want in there?  And, if not, could you please please please consider making that possible?  It would be a MAJOR boon to those of us creating for SL.