PDF export doesn't show 'Click here to expand' for Expand Macro

Issue Summary

Exported Page to PDF doesn't show 'Click here to expand' for Expand Macro in latest Confluence versions

Environment

• Confluence 6.15.8

Confluence 6.3.3

• Confluence Page:
  

• Exported PDF:
  

Confluence 6.15.8

• Confluence Page:
  

• Exported PDF:
  

Expected Results

Actual Results

Notes

I can see the difference between the old version shows 'Click here to expand', however, in the new version it's not there:

Workaround

Currently, there is no known workaround for this behavior. A workaround will be added here when available