Just upload your spreadsheet to Google Docs & Spreadsheets in one of several ways, open the file to edit and then export it as a PDF file.
Follow the steps given below to convert your first spreadsheet into a PDF document using Google Docs & Spreadsheets.
Step 1: Assuming you already have a Google Account, upload your spreadsheet to Google Docs & Spreadsheets here in one of several ways provided.
Step 2: Open the uploaded spreadsheet for editing.
Step 3: Click the Google Docs & Spreadsheets File menu and click Export then click .pdf... . An Export to PDF screen similar to the one below will appear.
Step 4: Select the appropriate options and then click Export. A File download dialog box will appear.
Step 5: Click Save and select the folder where you want to save the PDF file on the hard drive and give a name to your PDF file.
You cannot currently use the "Email-In Your Documents and Files" feature to upload more than one spreadsheet at a time.