contract/agreement/views/reports.xml

<?xml version="1.0"?>
<odoo>

    <report
            id="partner_agreement_contract_document"
            model="agreement"
            string="Contract Document"
            name="agreement.report_agreement_document"
            file="agreement.report_agreement_document"
            report_type="qweb-pdf"/>

    <report
            id="partner_agreement_contract_document_preview"
            model="agreement"
            string="Contract Document Preview"
            name="agreement.report_agreement_document"
            file="agreement.report_agreement_document"
            report_type="qweb-html"/>

    <template id="report_agreement_document">
        <t t-name="agreement.report_agreement_document">
            <t t-call="web.html_container">
                <t t-foreach="docs" t-as="doc">
                    <t t-call="web.external_layout">
                        <div class="page">
                            <h1 t-field="doc.name"/>
                            <h2>Parties</h2>
                            <h3>Company Information</h3>
                            <h3>Customer Information</h3>
                            <table class="table table-condensed">
                                <tbody class="section_tbody">
                                    <tr t-foreach="doc.sections_ids" t-as="s">
                                        <h2 t-field="s.name"/>
                                        <span t-field="s.content"/>
                                        <table class="table table-condensed">
                                            <tbody class="clause_tbody">
                                                <tr t-foreach="s.clauses_ids" t-as="c">
                                                    <h3 style="padding:20px" t-field="c.name"/>
                                                    <h4 style="padding:20px" t-field="c.content"/>
                                                </tr>
                                            </tbody>
                                        </table>
                                    </tr>
                                </tbody>
                            </table>
                        </div>
                    </t>
                </t>
            </t>
        </t>
    </template>
</odoo>