The most common and most likely answer to this crossword clue is the 8 letter word VIEWABLE
I've seen this crossword clue in Financial Times
V
I
E
W
A
B
L
E
Buddy explains!
The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does VIEWABLE mean?
VIEWABLE adjective- Able to be viewed.
- Able to be seen; visible.
- (of a webpage or component) Able to be rendered correctly by a particular browser.