I tried to import from DAZ V4.
I tested the export collada but I lose the pose that I had applied to the character. It appears in the T pose. Maybe I did not put the right setup, but I tried several settings and it was always the same problem.
I converted the file into 3ds and imported it in lumion,
it's good but there remains the problem of transparency, especially hair that is not recognized here.
I tried several formats in Lumion , Png, Tif ... with no result.
Perhaps it would be nice if Psd was recognized with the alpha layer !