How Do I Avoid Losing Formatting When Pages documents Are Converted to PDF Files and Emailed?

I put together a presentation piece with Pages, converted its 19 pages to pdf files, emailed the folder of pdf files to Staples for duplication, collation, and binding, and was disappointed to see some of my graphic frame formatting lost.

Can anyone please tell me how to avoid the loss in the future? 'Sure would appreciate it.

I was "raised" on Microsoft Publisher, then worked with Adobe Elements before switching to Mac. For the most-part, I find Mac OSX 10.7.5 a joy to use, but it takes me quite a while to figure out how to bridge differences between PC and Mac applications. Even though Mac applications tend to be straight forward, I loften find myself shaking my head and wondering how I could have been stumped so long by a little thing such as instant alpha. I don't want to chalk up this difficulty in adapting to old age, but could! (--Which translates: Please be easy on the old lady!) Thanking you in advance for such assistance as you might provide ...