Preview:
If(IsBlank(LookUp('OSS Comments' , Comments = TextInput3.Text)), DisplayMode.Edit, DisplayMode.Disabled)

or

If(IsBlank(LookUp('OSS Comments' , Comments = "ABCD")), DisplayMode.Edit, DisplayMode.Disabled)
downloadDownload PNG downloadDownload JPEG downloadDownload SVG

Tip: You can change the style, width & colours of the snippet with the inspect tool before clicking Download!

Click to optimize width for Twitter