Hello,
It finally worked! I just exported a sample MAPL mechanical model into Paraview by running the vtk.inp file from the link that @Andrei posted ! The VTK format works fine and did it for Ansys MAPDL models (and even if you have an Ansys Workbench Mechanical Model, you can always open it from MAPDL and export it).
I repeat the Link to download the converter: