Login to your Google Drive account
Right click on the document and select "Open with > Lumin PDF"
A new browser tab will open. Click “Connect to Google Drive”
Next, you may be prompted to sign in to your Google account and Grant Lumin PDF permission. Click “Allow” on all
Toggle back to the original browser tab with Google Drive open
Right click the document, and select "Open with > Lumin PDF". This time a new tab will open with your document open in Lumin PDF.
Edit your document and save!