There is a problem visualization of Hebrew on Title and legend of layout. They look as "?".
There is a bug listed on the Esri support pages with something to do with viewing in Internet Explorer 9, 10 or 11, but it view fine in Firefox or Chrome, but this seems to be referring to publishing.
Is the font displaying fine elsewhere and are the fonts embedded?
There is a link regarding the installation of esri fonts etc here
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