Font typing not look correct in PDF and Open Office

We installed our font on our computers and used them to type in the MS word. Everything looks good in Word(as figure1). But after I saved the Doc. as PDF, something unexpected happened: there is one more character on the first line of each Paragraph, which cause the first line look a little bit crowded(as figure2). Besides, the space of our font in Open Office is bigger than our setting(half as a character)(As figure 3). Is there any one can help to figure out the reason and solution? Thanks a lot!
ΝΌ1.png 2016-06-17 00-11-01.png

How did you produce your font?

If you used FontCreator, which version did you use?

Without seeing the font or the font project file, no one would be able to tell what the problem is.