There are several ways to get tables and text into an Altium Designer PCB.
First, you can just type the information using Place--String. There is no text box in the PCB editor, so you have to enter the information one line at a time.
Next, you can use a free add-on utility called "Klipper" and import the information from the Windows clipboard. The utility is available by registering at: **broken link removed**
You can import mechanical drawing files in DWG or DXF format into a PCB document, then cut and paste from the imported file into your PCB document.
If your data is available in Gerber format, you can import the Gerber file directly into a PCB document then cut and paste.
Finally, if your data is a black and white BMP image, you can import it as if it were a logo by using the PCB Logo script that is suppled free with Altium Desginer. It's in the folder "...\Altium Designer 6\Examples\Scripts\Delphiscript Scripts\Pcb\PCB Logo Creator".