Created attachment 142678 [details]
text not full visible inside window
popup window: text not full visible
System: OSX macOS High Sierra Version 10.13.5
iMAC (21,5", Ende 2013)
Prozessor: 2,7GHz Intel Core i5
I am assuming that this is about incorrect display and positioning of the dialog when you are working in fullscreen mode.
LibreOffice doesn't support Apple's fullscreen mode correctly.
WORKAROUND : Turn off fullscreen mode
It certainly won't be fixed in LO5472 as this is already end of life (11/06/2018).
*** This bug has been marked as a duplicate of bug 115284 ***