A group of Microsoft Products and technologies used for sharing and managing content, knowledge, and applications.
Dear Krishan5,
Good day! Thank you for posting in Microsoft Community. We’re happy to help you.
From your description, it seems that you want to resize the file viewer webpart to single document size.
If my understanding is right, we’re afraid that there is no out of box way to achieve your requirement. According to our search, we found it will provided the space to add description, and we cannot find the option to resize it directly.
We’re sorry that it doesn’t meet your requirement, we do understand the inconvenience caused and apologize for it.
Personally I completely agree with you, this is indeed a good addition to the current features of SharePoint. It would be definitely ideal if we can add feature to resize it. Thank you for bring thing to our attention.
We sincerely recommend you go to SharePoint · Community (microsoft.com) to provide your feedback. This is the best platform to let us hear from you and make our products and services better for you and others.
At the same time, per our search, code may achieve your requirement, we’d suggest you go to Microsoft Q & A to post a new thread, which is specific channel to handle such situation, the engineers in related team will focus on your specific scenario and provide specific suggestions.
If the scenario above is not consistent with yours, you can also post back and point that.
Thanks for your cooperation.
Sincerely,
Sukie | Microsoft Community Moderator