Screen reader is not reading all content present in the pdf after exporting to pdf.

#### Expected Behaviour
Screen reader should read all content present in the pdf after exporting to pdf.
#### Actual Behaviour
Screen reader is not reading all content present in the pdf after exporting to pdf.

#### Steps to Reproduce
1. Open any saved PDF file in Adobe, Turn on the screen reader.
2. Navigate through the PDF file in the Adobe reader.
3. Observe the issue.

#### Platform and Version
OS: Windows 11 Version 24H2 (OS Build 26100.1)
Tool Used: Adobe Acrobat 24.002.20687

[Project Planning (1) (2).pdf](https://github.com/adobe/adobe.github.com/files/15130712/Project.Planning.1.2.pdf)

未确定任何 repository 文件、测试或入口点。使用 Adobe Acrobat 和屏幕阅读器，在 Windows 11 上通过附带的 PDF 重现导出，然后确定遗漏了哪些内容，并验证在导航过程中所有 PDF 内容都可读取。

由索引模型根据 Issue 内容生成。