QQ Browser has launched the 'PDF Reading Assistant' AI tool supported by Tencent's Mixture of Experts model. This tool can intelligently summarize lengthy documents, saving reading time. Users can quickly obtain the information they need through the smart Q&A feature. The assistant also provides a function for locating original text for easy comparison reading. In the future, the tool will cover more application scenarios, such as Word, Excel, PPT, and web pages.