前端在线预览PDF的解决方案

PDF.js

https://mozilla.github.io/pdf.js/

libertynlp
收费、可以加批注

https://demos.libertynlp.com/#/pdfjs-annotation

Microsoft 365
http://view.officeapps.live.com/op/view.aspx?src=要查看的文档地址

https://view.officeapps.live.com/

vue-office

https://github.com/501351981/vue-office

onlyoffice 社区版

https://www.onlyoffice.com/zh/