If you are having issues viewing PDFs from Chinsay it is probably due to your native PDF reader. Chinsay works with most PDF readers but below are some alternatives that are guaranteed to work properly when viewing, sharing or downloading PDFs.
Adobe: https://acrobat.adobe.com/us/en/acrobat/pdf-reader.html?promoid=KSNEW
Foxit: https://www.foxitsoftware.com/products/pdf-reader/
Follow the links and instructions to install them on your computer.
Also, make sure you set your Default PDF Viewer to Adobe Acrobat Reader DC on your PC:
1. On your PC, go to Default app settings. You can go to your taskbar and search for it.
2. Go to 'Default apps' > 'Choose default applications by file type' > '.pdf' > choose either Adobe or Google Chrome as your default PDF Viewer.