PDF export v1 doesnt work when IP whitelisting is enabled on the site

Issue Summary

PDF export is failing under the below condition

• IP whitelisting is enabled on the site OR
• If space contains more than 2000 pages OR
• If @page, @bottom-left etc tags exist in pdf style sheet OR
• header, footer, and title are detected in the page layout and
• The page is on legacy, having expanded macros.

Steps to Reproduce

Replicable on a customer environment

Expected Results

PDF export to happen

Actual Results

PDF export doesn't progress

Workaround

Take a Word export and convert it to PDF