DOC-2351: On-premises `Export to PDF` documentation.

[kemister85]

Ticket: DOC-2351 to support DOC-2339

Site: DOC-2339_DOC-2351 site

Changes:

• On-premises Export to PDF documentation. DRAFT

Pre-checks:

• [x] Branch prefixed with feature/7/ or hotfix/7/
• [x] modules/ROOT/nav.adoc has been updated (if applicable)
• [x] Files has been included where required (if applicable)
• [x] Files removed have been deleted, not just excluded from the build (if applicable)
• [x] Files added for New product features, and included a release note entry.

Review:

• [ ] Documentation Team Lead has reviewed