Export PDF to Audio
The Export PDF to Audio tool exports a copy text in PDF documents to audio file format:
Figure 1. Export PDF to Audio Tool Actions Sequence
The Export PDF to Images tool uses three tool actions:
1. 
Choose Input Files - the tool prompts for source documents.
2. 
PDF to Audio - the text in source documents is copied and exported to audio format.
3. 
Show Files - the new documents are displayed in their destination folder.
Click actions to view customizable parameters. Additionally, please note that the Clone Tool feature can be used to clone this tool and then add/remove actions from the Tool Actions Sequence.
Note that it is necessary to have Media Foundation installed on the local machine for this tool to operate, as detailed here.
Information about the Batch Processing Mode, Do Not Ask for Passwords and Multi-Threaded Processing check boxes is available here.