I have a Samsung Galaxy s3 tab, the work I did in Word on the tab has a gray spot on the side

[Android Central Question]

I have a Samsung galaxy s3 tab the work on did in word on the tab has a gray spot on the side. How this be removed

 

[hallux]

Does it show only in Word? Does it show in Word on other devices? Can you share a screenshot with us? Actually - does it show on a screenshot?

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