Not until Acrobat 9 is released.
Hi I know only one direction comunication. Send params from PDF to embed SWF. If you know another way, tell me what.
PDF Reference : 188.8.131.52.5 RichMediaParams Dictionary
18 0 obj % RichMediaParams dictionary
<< /Type /CuePoint /Name (Cue Point 1) /Subtype /Navigation /Time 5100 >>
<< /Name (Cue Point 2) /Subtype /Event /Time 4020 /A 19 0 R >>
With Acrobat 9 and PDF 1.7 Extension Level 3 you can have 2-way communication between an embedded SWF and the PDF Document that contains it. There are sample Flex projects in the Acrobat 9.1 SDK that show you how to achieve this.