Answer:
Read Mode
Step-by-step explanation:
Microsoft Word refers to a word processing software application or program developed by Microsoft Inc. to enable its users type, format and save text-based documents.
In Microsoft Word 2019, the users are availed with the ability to edit the word document in the following view type;
I. View Mode
II. Print Mode
III. Drift Layout
Hence, the document view type in which it is impossible to edit the document in Word 2019 is the Read Mode. Basically, the Read Mode is a view type that only allows the user to read the word document.