Revealing information for one item in dropdown menu on hover(on click)

Is it okay to reveal information for 1 item in dropdown menu?

I need to do the following:

  • Load auto text (all text boxes)
  • Load auto text (single text box)
  • Preview auto text (all text boxes, to consider if it can replace text)
  • Preview auto text (single text box, to consider if it can replace text)

Client prefers to have preview&loading on hover for single text; for 1 group and for all groups:

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I am not sure if It is a good idea to make it on hover, considering that there might be many auto texts for 1 group so user will have to scroll on hover.

Is this a good solution? Thanks!

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