FME Server 2014 - Build 14235 - 32 bit win, same FME Desktop version, 32-bit
FME Server 2014 - Build 14235 - 32 bit win, same FME Desktop version, 32-bit
look into the Shared Resource section that was introduced in FME Server 2014. Try uploading your PDF there and then reference it in your workspace (http://fmepedia.safe.com/articles/How_To/FME-Server-Resources-uploading-and-referencing-tutorial#heading_toc_j_5).
David