White space added in PDF book report

Summary:

For some of our users, when they generate the PDF output of a book in some of the text boxes white spaces are added. When they run the individual report, the text is shown correctly (without white spaces).

Content (required):

In some of the reports, in a hidden grid we pull data which contain textual content. In the report we created a text box and reference to the hidden grid with the CellValue() function. This works as expected and most of the users are not experiencing any issues. For some of the users, random white spaces are added to the text, it seems that it is user specific and report specific. The strangest thing is that when the user runs the individual report it doesn't add the white spaces, but when the user runs the book (which contains the individual