Hii,

Create a New Model for Notices

Model: website.notice

from odoo import models, fields

class WebsiteNotice(models.Model):

    _name = 'website.notice'

    _description = 'Website Notice'

    _order = 'date desc'

    name = fields.Char(string='Title', required=True)

    date = fields.Date(string='Date', default=fields.Date.context_today)

    pdf_file = fields.Binary(string='PDF File', attachment=True, required=True)

    pdf_filename = fields.Char(string='Filename')

    active = fields.Boolean(default=True)

Define Access Rights

Create security/ir.model.access.csv :

id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink

access_website_notice_user,access_website_notice_user,model_website_notice,base.group_user,1,1,1,1

Add Backend Views

<odoo>

  <record id="view_website_notice_form" model="ir.ui.view">

    <field name="name">website.notice.form</field>

    <field name="model">website.notice</field>

    <field name="arch" type="xml">

      <form string="Website Notice">

        <sheet>

          <group>

            <field name="name"/>

            <field name="date"/>

            <field name="pdf_file" filename="pdf_filename"/>

          </group>

        </sheet>

      </form>

    </field>

  </record>

  <record id="view_website_notice_tree" model="ir.ui.view">

    <field name="name">website.notice.tree</field>

    <field name="model">website.notice</field>

    <field name="arch" type="xml">

      <tree>

        <field name="name"/>

        <field name="date"/>

        <field name="pdf_filename"/>

      </tree>

    </field>

  </record>

  <record id="action_website_notice" model="ir.actions.act_window">

    <field name="name">Notices</field>

    <field name="res_model">website.notice</field>

    <field name="view_mode">tree,form</field>

  </record>

  <menuitem id="menu_website_notice_root" name="Notice Board" parent="website.menu_website_configuration" sequence="20"/>

  <menuitem id="menu_website_notice" name="Notices" parent="menu_website_notice_root" action="action_website_notice"/>

</odoo>

Show Notices on the Website

Add a Controller and Template to render PDF links on the website.

Python Controller

from odoo import http

from odoo.http import request

class WebsiteNoticeController(http.Controller):

    @http.route('/notices', type='http', auth='public', website=True)

    def notice_board(self, **kwargs):

        notices = request.env['website.notice'].sudo().search([('active', '=', True)], limit=50)

        return request.render('your_module.notice_board_template', {

            'notices': notices

        })

QWeb Template

Now, visiting /notices on your website will show a list of notices with downloadable PDFs.

<odoo>

  <template id="notice_board_template" name="Notice Board">

    <t t-call="website.layout">

      <div class="container my-5">

        <h2>Notice Board</h2>

        <ul>

          <t t-foreach="notices" t-as="notice">

            <li>

              <span><t t-esc="notice.name"/> (<t t-esc="notice.date"/>)</span>

<a t-att-href="'/web/content/%s?download=true' % notice.id " t-att-download="notice.pdf_filename">             

                Download PDF

              </a>

            </li>

          </t>

        </ul>

      </div>

    </t>

  </template>

</odoo>

​Now, visiting /notices on your website will show a list of notices with downloadable PDFs.

i hope it is usefull