Hello Ashish_25,
I'm Jin, a fellow Windows 10 user and an independent advisor. I can see that Google Chrome won't allow you to print and save the documet as PDF.
The best fix for this is by uninstalling and reinstalling Chrome. To uninstall an app from Windows, Open Settings by pressing Windows key + I, select Apps then look for Google Chrome, click on it and press the uninstall button.
Then to download and reinstall Google Chrome use this link:
For more information on how to troubleshoot, Google Chrome, I recommend you review this link:
https://support.google.com/chrome/answer/142063
This is a non-Microsoft website which would provide accurate and safe information. Watch out for ads on the site which are frequently classified as a PUP (Potentially Unwanted Products). There is no need to buy paid products to fix your computers as they do more harm than good sometimes.
In addition, you can use a different web browser such as Microsoft Edge to print an online document as PDF.
I hope this helps.