Welcome to the forum.
That's a pretty big document so if it is giving you problems,
I would suggest creating a copy and then splitting it into two for
the import.
X5 does come with RoboPDF. You may encounter a small problem
when you first use it but that is covered in Snippets on my site
and is easily fixed.
Conditional text is available in RoboHelp but can you explain
what you mean by conditional replacements?
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