I have made a custom map export service, which exports my map in a range of formats. However I have noticed that .eps files, exported using the arcPy function:
arcpy.mapping.ExportToEPS(mxd, Output_File, resolution=96, picture_symbol='VECTORIZE_BITMAP', convert_markers=True)
are not a vector images. The map exported, is not well scalable and it seems pixelated. Also, we can see that tiled layers and basemaps are not exported as vector images. However in feature/ graphic layers that use picture markers and picture fills will be converted to vector. Any ideas why is that happening? Tile layers cannot be exported as vector images?