Users facing issues converting HTML to PDF using HTMLDOC, leading to rendering problems in Gmail PDF viewer.
Potential causes of PDF formatting issues include font compatibility, HTML structure, media queries, and image handling.
Steps to troubleshoot PDF problems: Analyze HTML code, simplify and test, check for redundant elements, validate images and links, experiment with fonts, and test on various platforms.
Conclusion: Troubleshooting PDF display problems in Gmail involves systematic analysis of HTML structure and elements. Testing on different platforms and considering alternative tools may help resolve issues.