We have found one software suitable in our database for this conversion.
When you open your .gdraw link in Google Drive to access the Google Draw picture, you can download the file in several formats (including PDF) using the File ► Download as function in the upper menu.
This conversion is good when you want your drawing as PDF documents, mostly useful for printing and sharing without the option to further edit the image.
GDRAW
Files with gdraw file extension are URL links to a drawing created in Google Drive. They represent not the actual drawing, but just a URL link to it. You can download the drawing from Google Drive in more typical format, like PNG or JPG.
PDF
A pdf file extension is mainly used for Adobe Portable document format, commonly referred to as PDF. All programs that create some sort of documents or projects offer the possibility to export their format to PDF format. A free PDF viewer (Adobe Reader) is available for download from Adobe website.