Sometimes when you open the pdf with Adobe Reader, one window pops up. As you can see, when the pdf software pops the following window,
This is because your computer doesn’t support the font used in the pdf document. In this case, you need to install the font package to read the document successfully.
Follow the steps below to install the font package,
Step 1, click ‘OK’ button
Step 2, the web browser will turn to adobe website. Please download the font package here.
Step 3, install the font package downloaded and reopen the pdf again.