creo7 config.pro option documentation for: INTF2D_OUT_ACAD_NORM_LEAD_BLOCK 
Intf2d_out_acad_norm_lead_block
yes
*
, no
Controls the export of annotations with multiple normal leaders to DWG and DXF file formats.
yes
- Multiple normal leader annotations are exported to DWG and DXF file formats as blocks.
no
- Multiple normal leader annotations are exported to DWG and DXF file formats as separate entities.