import bpy
context = bpy.context
obj = context.active_object

depsgraph = context.evaluated_depsgraph_get()

object_eval = obj.evaluated_get(depsgraph)
mesh_from_eval = object_eval.to_mesh()

mesh_from_eval.calc_loop_triangles()
print(mesh_from_eval.loop_triangles[0].as_pointer())

object_eval.to_mesh_clear()