Artwork is suitable to ironing from back side, front side where paint and embroidery has applied should not directly contact with soleplate. For heat degrees, please try a small area first and if the degree is working without damaging you can iron the rest of the artwork.
The work can be display as it is by nailing the wall by using drawing/push pin. In additionally, there will be extra fabric edge of the artwork if you prefer to stretch the painting to the wooden canvas frame.