Hi there,
Welcome to Adobe Community.
The show text box frame does not add the border it shows the text box frame.
see below:
Text entry box with show text box frame enabled:
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With show text box frame disabled:
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It will only show the cursor if you uncheck that option.
You can use the line smart shape to draw a rectangle around the box and then increase the width.
Image may be NSFW.
Clik here to view.
Thanks!
