```python
from pyaedt import Hfss
from pyaedt.generic.filesystem import Scratch
import json
import os

# Set non-graphical mode
non_graphical = True

# Download a 3D component
component_path = "path_to_downloaded_component"  # Update this path as needed
# Assuming the function to download is correctly named (this function does not exist in PyAEDT as of my last update)
# download_icepak_3d_component(component_path)

# Launch HFSS in non-graphical mode and save the project with a unique name
hfss = Hfss(specified_version="2023.1", non_graphical=non_graphical, new_desktop_session=True)
project_name = hfss.generate_unique_project_name()
hfss.save_project(os.path.join(Scratch.path(), project_name))

# Read the array definition from a JSON file
json_file_path = 'path_to_json_file.json'  # Update this path as needed
with open(json_file_path, 'r') as file:
    array_definition = json.load(file)

# Load a 3D component into the dictionary from a specified path
# This step assumes a function or method to insert a 3D component exists and is named accordingly
# insert_3d_component(component_path, array_definition)  # This is a placeholder for the correct method

# Set up a simulation
setup_name = hfss.generate_unique_setup_name()
hfss.create_setup(setup_name)
hfss.create_linear_count_sweep(setup_name, "GHz", 1, 10, 0.1)

# Analyze
hfss.analyze_all()

# Get far field data
far_field_data = hfss.get_far_fields()

# Generate a contour plot
hfss.post.create_contour_plot(far_field_data, plottype="Rectangular")

# Generate 2D cutout plots
hfss.post.create_cut_plane(far_field_data, plane="XY")

# Generate 3D polar plots in Matplotlib
hfss.post.create_polar_plot(far_field_data)

# Generate 3D plots in PyVista
# Assuming a function exists for PyVista integration (this is a placeholder)
# hfss.post.create_pyvista_3d_plot(far_field_data)

# Release AEDT
hfss.release_desktop()
```